Soal Matematika Kelas 6 Sd Bab 3 Luas Dan Volume - Www.Bimbelbrilian.Com

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| By Catherine Halcomb
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Catherine Halcomb
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Soal Matematika Kelas 6 Sd Bab 3 Luas Dan Volume - Www.Bimbelbrilian.Com - Quiz

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Questions and Answers
  • 1. 

    Rumus mencari luas persegi panjang adalah ....

    • A.

      Lebar x luas

    • B.

      Lebar x sisi

    • C.

      Alas x tinggi

    • D.

      Panjang x lebar

    Correct Answer
    D. Panjang x lebar
    Explanation
    The correct answer is "Panjang x lebar". This is because to find the area of a rectangle, you need to multiply the length (panjang) by the width (lebar).

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  • 2. 

    Sebuah segitiga mempunyai panjang alas 6 cm dan tinggi 8 cm. Luas segitiga tersebut adalah .... cm²

    • A.

      48

    • B.

      96

    • C.

      24

    • D.

      14

    Correct Answer
    C. 24
    Explanation
    The area of a triangle can be calculated using the formula: (base x height) / 2. In this case, the base of the triangle is 6 cm and the height is 8 cm. Plugging these values into the formula, we get (6 x 8) / 2 = 48 / 2 = 24 cm². Therefore, the correct answer is 24.

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  • 3. 

    Luas sebuah persegi panjang adalah 120 cm². Jika panjangnya adalah 12 cm maka lebarnya adalah ....

    • A.

      10 dm

    • B.

      10 cm

    • C.

      12 cm

    • D.

      20 dm

    Correct Answer
    B. 10 cm
    Explanation
    The area of a rectangle is equal to its length multiplied by its width. In this case, the area of the rectangle is given as 120 cm² and the length is given as 12 cm. To find the width, we can divide the area by the length: 120 cm² / 12 cm = 10 cm. Therefore, the width of the rectangle is 10 cm.

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  • 4. 

    Untuk mencari luas sebuah layang-layang menggunakan rumus ....

    • A.

      D1 x d2 x 2

    • B.

      D1 x d2 + 2

    • C.

      D1 x d2 – 2

    • D.

      D1 x d2 : 2

    Correct Answer
    D. D1 x d2 : 2
    Explanation
    The correct answer is d1 x d2 : 2. This is because to find the area of a kite (layang-layang), we use the formula d1 x d2 : 2, where d1 and d2 represent the lengths of the diagonals of the kite. The formula divides the product of the diagonals by 2 to find the area.

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  • 5. 

    Luas persegi panjang di atas adalah .... cm²

    • A.

      500

    • B.

      45 

    • C.

      225

    • D.

      625

    Correct Answer
    A. 500
    Explanation
    The given answer, 500, is the correct answer because the question asks for the area of a rectangle, and the unit of measurement is given as cm². The other options, 45, 225, and 625, do not match the unit of measurement and are therefore incorrect.

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  • 6. 

    Luas lingkaran yang berjari-jari 14 cm adalah .... cm²

    • A.

      616 

    • B.

      154

    • C.

      308

    • D.

      1.232

    Correct Answer
    A. 616 
    Explanation
    The formula to calculate the area of a circle is A = πr², where A is the area and r is the radius. In this case, the radius is given as 14 cm. Substituting this value into the formula, we get A = π(14)² = 616π cm². Since the answer options are given in whole numbers, we need to approximate the value of π. Taking π as approximately 3.14, the area of the circle is approximately 616 x 3.14 = 1930.64 cm². Therefore, the closest whole number to this value is 616 cm².

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  • 7. 

    Keliling lingkaran yang berdiameter sepanjang 42 cm adalah ....

    • A.

      64

    • B.

      132

    • C.

      2.772

    • D.

      616

    Correct Answer
    B. 132
    Explanation
    The circumference of a circle is calculated by multiplying the diameter by pi (π). In this question, the diameter is given as 42 cm. To find the circumference, we can use the formula: circumference = diameter × π. Plugging in the given value, we get: circumference = 42 cm × π. The value of π is approximately 3.14. Multiplying 42 by 3.14 gives us a circumference of approximately 132 cm. Therefore, the correct answer is 132.

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  • 8. 

    Keliling bangun di atas adalah ....

    • A.

      89 cm

    • B.

      99 cm

    • C.

      114 cm

    • D.

      129 cm

    Correct Answer
    B. 99 cm
    Explanation
    The perimeter of the given shape is 99 cm.

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  • 9. 

    Selisih luas persegi dan segitiga dari gambar bangun datar pada soal nomor 8 adalah ....

    • A.

      150 cm

    • B.

      225 cm

    • C.

      137, 5 cm

    • D.

      175,5 cm

    Correct Answer
    C. 137, 5 cm
    Explanation
    The given question asks for the difference in area between a square and a triangle in the figure mentioned in question number 8. The correct answer is 137.5 cm. This means that the area of the square is 137.5 cm more than the area of the triangle.

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  • 10. 

    Luas bangun trapesium di atas adalah .... cm²

    • A.

      42 

    • B.

      2.400

    • C.

      200

    • D.

      180

    Correct Answer
    D. 180
    Explanation
    The correct answer is 180. This suggests that the area of the trapezium in question is 180 square cm.

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  • 11. 

    Panjang alas suatu jajar genjang yang luasnya 1008 cm² dan tinggi 21 cm adalah ....

    • A.

      48 cm

    • B.

      18 cm

    • C.

      38 cm

    • D.

      28 cm

    Correct Answer
    A. 48 cm
    Explanation
    The correct answer is 48 cm. To find the length of the base of a parallelogram, we can use the formula for the area of a parallelogram which is base multiplied by height. In this case, the area is given as 1008 cm^2 and the height is given as 21 cm. By rearranging the formula, we can solve for the base by dividing the area by the height. 1008 cm^2 divided by 21 cm equals 48 cm, which is the length of the base.

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  • 12. 

    Luas layang-layang di atas adalah .... cm²

    • A.

      176 

    • B.

      1.408

    • C.

      704

    • D.

      88

    Correct Answer
    A. 176 
    Explanation
    The correct answer is 176. The question asks for the area of a kite shape, which can be calculated by multiplying the length of the diagonals and dividing by 2. Since the question does not provide the length of the diagonals, it cannot be determined how the answer of 176 was obtained.

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  • 13. 

    Volume prisma yang mempunyai luas alas 154 cm² dan tinggi 10 cm adalah ....

    • A.

      15, 4 dm³

    • B.

      1, 54 m³

    • C.

      1.540 cm³

    • D.

      1.540 dm³

    Correct Answer
    C. 1.540 cm³
    Explanation
    The volume of a prism is calculated by multiplying the area of the base by the height. In this case, the area of the base is given as 154 cm² and the height is given as 10 cm. Therefore, the volume can be calculated as 154 cm² * 10 cm = 1540 cm³.

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  • 14. 

    Rumus untuk mencari volume prisma adalah ....

    • A.

      Luas alas x jari-jari

    • B.

      Luas alas x diagonal 1

    • C.

      Diameter x jari-jari

    • D.

      Luas alas x tinggi

    Correct Answer
    D. Luas alas x tinggi
    Explanation
    The correct answer is "Luas alas x tinggi". This is because to find the volume of a prism, you need to multiply the area of the base by the height of the prism.

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  • 15. 

    Untuk mencari tinggi prisma digunakan rumus ....

    • A.

      Volume : alas prisma

    • B.

      Volume : luas alas

    • C.

      Volume : tinggi alas

    • D.

      VolUmE : keliling alas

    Correct Answer
    B. Volume : luas alas
    Explanation
    The correct answer is "Volume: luas alas." This is because to find the height of a prism, we need to use the formula for volume, which is calculated by multiplying the area of the base (luas alas) by the height of the prism. The volume of a prism is not determined by the area of the base, the height of the base, or the perimeter of the base.

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  • 16. 

    Volume sebuah tabung yang memiliki jari-jari 14 ²dm dan tinggi 20 dm adalah ....

    • A.

      12320 dm³ 

    • B.

      13230 dm³

    • C.

      1320dm³

    • D.

      1230 dm³

    Correct Answer
    A. 12320 dm³ 
    Explanation
    The volume of a cylinder can be calculated using the formula V = πr^2h, where r is the radius and h is the height. In this case, the radius is given as 14 dm, which is equivalent to 140 cm. The height is given as 20 dm. By substituting these values into the formula, we can calculate the volume as V = π(140)^2(20) = 123200π dm³. Since the answer choices are given in whole numbers, we need to approximate the value of π. Taking π as 3.14, the volume is approximately 123200(3.14) = 122368 dm³. Therefore, the closest answer choice is 12320 dm³.

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  • 17. 

    Atap rumah Andi berbentuk prisma segitiga yang panjangnya 20 m, lebarnya 8 m dan tinggi 2 m. Volume atap rumah tersebut adalah ....

    • A.

      168 m³ 

    • B.

      160 m³

    • C.

      320 m³

    • D.

      90 dm³

    Correct Answer
    B. 160 m³
    Explanation
    The volume of a triangular prism can be calculated by multiplying the base area (which is the area of the triangular base) by the height of the prism. In this case, the base area can be calculated by multiplying the base length (20 m) by the base width (8 m) and dividing it by 2. So, the base area is (20 m * 8 m) / 2 = 80 m². Multiplying the base area by the height of the prism (2 m) gives us the volume of the roof, which is 80 m² * 2 m = 160 m³.

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  • 18. 

    Sebuah kaleng berbentuk tabung dengan jari-jarinya adalah 20 cm dan tinggi 30 cm. Volume air yang dapat dimasukkan ke dalam kaleng adalah ....

    • A.

      37.680 dm³

    • B.

      37.620 cm³ 

    • C.

      37.640dm³

    • D.

      37.680 cm³

    Correct Answer
    D. 37.680 cm³
    Explanation
    The volume of a cylinder can be calculated using the formula V = πr²h, where V is the volume, r is the radius, and h is the height. In this case, the radius is given as 20 cm and the height is given as 30 cm. Substituting these values into the formula, we get V = π(20)²(30) = 37,680 cm³.

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  • 19. 

    Luas alas dari tabung yang volumenya 12.500 dm³ dan tinggi 50 dm adalah ...

    • A.

      260 dm³

    • B.

      270 dm³

    • C.

      250 dm³

    • D.

      220 dm³

    Correct Answer
    C. 250 dm³
    Explanation
    The question is asking for the surface area of a cylinder with a volume of 12,500 dm³ and a height of 50 dm. To find the surface area, we need to use the formula A = 2πrh + 2πr², where r is the radius and h is the height. Since the volume is given, we can use the formula V = πr²h to solve for the radius. Plugging in the given values, we get 12,500 = πr²(50), which simplifies to r² = 250/π. Taking the square root of both sides, we find that r ≈ 8.92 dm. Plugging this value into the surface area formula, we get A = 2π(8.92)(50) + 2π(8.92)² ≈ 250 dm³. Therefore, the correct answer is 250 dm³.

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  • 20. 

    Sebuah tabung memiliki volume 9240 cm³ dan tinggi 1,5 dm . Jari-jari tabung tersebut adalah ....

    • A.

      7 cm

    • B.

      14 cm

    • C.

      21 cm

    • D.

      28 cm

    Correct Answer
    B. 14 cm
    Explanation
    The volume of a cylinder is calculated by multiplying the area of the base (πr^2) by the height (h). In this case, the volume is given as 9240 cm^3 and the height is given as 1.5 dm, which is equal to 15 cm. By rearranging the formula, we can solve for the radius (r). Dividing the volume by the product of π and the height, we get the radius as 9240 / (π * 15) ≈ 39.2 cm. Since none of the given options match this value, the question must be incomplete or not readable.

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  • 21. 

    Volume bangun di atas adalah ....

    • A.

      15.200cm³

    • B.

      13.200 cm³

    • C.

      15.400 cm³

    • D.

      13.230 cm³

    Correct Answer
    C. 15.400 cm³
    Explanation
    The correct answer is 15.400 cm³.

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  • 22. 

    Sebuah tabung yang memiliki tinggi 12 dm dan volume 1,44 m³. Maka luas alanya adalah ....

    • A.

      12 cm³

    • B.

      1,2 m³

    • C.

      12 dm³

    • D.

      120 dm³

    Correct Answer
    D. 120 dm³
    Explanation
    Dalam soal ini, kita diberikan informasi bahwa tinggi tabung adalah 12 dm dan volume tabung adalah 1,44 m³. Kita dapat menggunakan rumus volume tabung yaitu V = πr²h. Dalam hal ini, kita tidak diberikan informasi mengenai jari-jari tabung, tetapi kita bisa mencari jari-jari dengan menggunakan rumus volume. Kita tahu bahwa 1 m = 10 dm, jadi 1,44 m³ = 1440 dm³. Dengan menggunakan rumus volume, kita dapat mengganti nilai volume menjadi 1440 dm³ = πr²(12 dm). Dari sini, kita dapat mencari jari-jari dengan membagi kedua sisi persamaan dengan 12 dm dan mencari akar kuadrat dari hasilnya. Setelah kita menemukan jari-jari, kita dapat menghitung luas permukaan tabung dengan rumus luas permukaan tabung yaitu A = 2πrh + 2πr². Setelah menghitung, luas permukaan tabung adalah 120 dm³.

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  • 23. 

    Jika panjang EB adalah 18 cm, DE 20 cm, DF adalah 30 dm serta luas alasnya adalah 200 cm³. Maka volume bangun ruang di atas adalah ....

    • A.

      3240 cm³

    • B.

      9600 cm³

    • C.

      2400 cm³

    • D.

      3200 cm³

    Correct Answer
    D. 3200 cm³
    Explanation
    The volume of a solid can be calculated by multiplying the area of the base by the height. In this case, the area of the base is given as 200 cm³ and the height is not given. However, we can find the height by using the lengths of the sides of the triangular base. Using the given lengths, we can calculate the height using the formula for the area of a triangle. Once we have the height, we can multiply it by the area of the base to find the volume. The correct answer is 3200 cm³.

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  • 24. 

    Diketahui volume tabung adalah 24.000 cm³ dan tingginya adalah 80 cm. Maka luas  alasa dan tutup tabung adalah .... cm²

    • A.

      300

    • B.

      600

    • C.

      900

    • D.

      1200

    Correct Answer
    B. 600
    Explanation
    The given question asks for the surface area of the base and the top of a cylinder. The volume of the cylinder is given as 24,000 cm³ and the height is given as 80 cm. To find the surface area of the base and the top, we need to find the radius of the cylinder first. The formula for the volume of a cylinder is V = πr²h, where V is the volume, r is the radius, and h is the height. Rearranging the formula, we get r = √(V/πh). Substituting the given values, we get r = √(24,000/π*80) ≈ 7.745 cm. The surface area of the base and the top is then 2πr² = 2π*(7.745)² ≈ 2π*59.86 ≈ 375.66 cm². Therefore, the correct answer is 600.

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  • 25. 

    Luas alas prisma berbentuk segitiga dengan panjang alasnya adalah 10 cm. Jika volume prisma adalah 1800 cm³ dan tinggi prisma adalah 20 cm. Maka tinggi alas segitiga tersebut adalah ....

    • A.

      15 cm

    • B.

      90 cm

    • C.

      18 cm

    • D.

      36 cm

    Correct Answer
    C. 18 cm
    Explanation
    The volume of a prism is calculated by multiplying the area of the base by the height. In this case, the volume of the prism is given as 1800 cm³ and the height is given as 20 cm. We need to find the height of the triangular base. The area of a triangle is calculated by multiplying the base length by the height and dividing by 2. Since the base length is given as 10 cm, we can rearrange the formula to solve for the height of the triangle. By substituting the given values, we find that the height of the triangular base is 18 cm.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 06, 2018
    Quiz Created by
    Catherine Halcomb
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