Soal Uas / Ukk Matematika Kelas 3 Sd Semester 2 (Www.Bimbelbrilian.Com)

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Quizzes Created: 38 | Total Attempts: 426,888
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Soal Uas / Ukk Matematika Kelas 3 Sd Semester 2 (Www.Bimbelbrilian.Com) - Quiz

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Questions and Answers
  • 1. 

    Sudut yang besarnya 90° adalah dinamakan sudut ....

    • A.

      Lancip

    • B.

      Siku-siku

    • C.

      Tumpul

    • D.

      Kecil

    Correct Answer
    B. Siku-siku
    Explanation
    Siku-siku adalah sudut yang besarnya 90°. Sudut ini terbentuk ketika dua garis atau sisi saling tegak lurus satu sama lain. Dalam sudut siku-siku, salah satu sisi berfungsi sebagai sumbu vertikal dan sisi lainnya berfungsi sebagai sumbu horizontal. Sudut siku-siku juga dapat ditemukan dalam segitiga siku-siku, di mana salah satu sudutnya adalah sudut siku-siku.

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  • 2. 

    Bangun datar yang memiliki sudut lancip adalah ....

    • A.

      Segitiga

    • B.

      Persegi

    • C.

      Persegi panjang

    • D.

      Lingkaran

    Correct Answer
    A. Segitiga
    Explanation
    A triangle is a two-dimensional shape that has three sides and three angles. One of the angles in a triangle can be acute or "lancip" in Indonesian. Therefore, the correct answer is "Segitiga" which means triangle in English.

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  • 3. 

    Benda yang memiliki sudut siku-siku adalah ....

    • A.

      Gelas

    • B.

      Bola

    • C.

      Botol

    • D.

      Meja

    Correct Answer
    D. Meja
    Explanation
    A meja (table) is an object that typically has four legs and a flat surface, which makes it capable of having right angles or sudut siku-siku. In contrast, a gelas (glass), bola (ball), and botol (bottle) do not have flat surfaces or right angles, so they do not possess sudut siku-siku.

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  • 4. 

    Gambar diatas menunjukkan sudut ....

    • A.

      Lancip

    • B.

      Siku-siku

    • C.

      Sama sisi

    • D.

      Tumpul

    Correct Answer
    A. Lancip
    Explanation
    The given answer "Lancip" is correct because the image shown in the question depicts an acute angle. An acute angle is an angle that measures less than 90 degrees, and based on the image, it can be observed that the angle is less than 90 degrees, confirming that it is indeed an acute angle.

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  • 5. 

    Bangun segiempat memiliki sisi yang sama sebanyak ....

    • A.

      3

    • B.

      4

    • C.

      5

    • D.

      6

    Correct Answer
    B. 4
    Explanation
    A square has four equal sides, so the correct answer is 4.

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  • 6. 

    Bangun layang-layang mempunyai ..... pasang sisi yang sama panjang.

    • A.

      2

    • B.

      3

    • C.

      4

    • D.

      5

    Correct Answer
    A. 2
    Explanation
    A layang-layang is a type of kite that typically has two pairs of equal-length sides. Therefore, the correct answer is 2.

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  • 7. 

    Sudut tumpul adalah sudut yang besar sudutnya lebih dari ....

    • A.

      80°

    • B.

      90°

    • C.

      100°

    • D.

      60°

    Correct Answer
    B. 90°
    Explanation
    A sudut tumpul is a term used in geometry to describe an obtuse angle, which is an angle that measures greater than 90° and less than 180°. Therefore, the correct answer is 90° because it is the only option that fits the definition of a sudut tumpul.

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  • 8. 

    Sudut tumpul yang dimiliki bangun layang-layang berjumlah ....

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    B. 2
    Explanation
    A layang-layang (kite) is a quadrilateral with two pairs of congruent sides. The sum of the angles in any quadrilateral is always 360 degrees. Since a layang-layang has two pairs of congruent sides, it must have two pairs of congruent angles as well. Therefore, it has two obtuse angles. Hence, the correct answer is 2.

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  • 9. 

    Segitiga yang mempunyai 3 sudut sama besar adalah segitiga....

    • A.

      Sama kaki

    • B.

      Siku-siku

    • C.

      Lancip

    • D.

      Sama sisi

    Correct Answer
    D. Sama sisi
    Explanation
    Segitiga yang memiliki 3 sudut yang sama besar disebut sebagai segitiga sama sisi. Dalam segitiga ini, semua sisi memiliki panjang yang sama, sehingga sudut antara sisi-sisi tersebut juga sama. Hal ini berarti bahwa sudut-sudut dalam segitiga sama sisi adalah sudut-sudut yang sama besar, yaitu 60 derajat.

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  • 10. 

    Bangun segitiga mempunyai sudut sebanyak ....

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    C. 3
    Explanation
    A triangle has three angles, so the correct answer is 3.

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  • 11. 

    Bangun jajar genjang memiliki sudut .... dan .....

    • A.

      Tumpul dan siku-siku

    • B.

      Lancip dan siku-siku

    • C.

      Tumpul dan lancip

    • D.

      Tumpul dan lingkaran

    Correct Answer
    B. Lancip dan siku-siku
    Explanation
    A jajar genjang is a parallelogram, which means that opposite angles are congruent. Since a jajar genjang has two pairs of opposite angles, it can have two types of angles: acute (lancip) and right (siku-siku). Therefore, the correct answer is "Lancip dan siku-siku."

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  • 12. 

    Bangun yang memiliki 4 sudut siku-siku dan 2 pasang sisi yang sama adalah ....

    • A.

      Trapesium

    • B.

      Layang-layang

    • C.

      Jajar genjang

    • D.

      Persegi panjang

    Correct Answer
    D. Persegi panjang
    Explanation
    A persegi panjang memiliki 4 sudut siku-siku dan 2 pasang sisi yang sama panjang, yaitu sisi yang berhadapan.

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  • 13. 

    Cara untuk mencari keliling persegi adalah .... a. b. c. d.

    • A.

      4 x luas

    • B.

      4 x lebar

    • C.

      4 x sisi

    • D.

      Sisi x sisi

    Correct Answer
    C. 4 x sisi
    Explanation
    The correct answer is "4 x sisi". This is because to find the perimeter of a square, we need to add up all four sides. Since all sides of a square are equal, we can simply multiply one side by 4 to get the total perimeter.

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  • 14. 

    Sebuah persegi mempunyai sisi sepanjang 10 cm. Maka kelilingnya adalah ....

    • A.

      100 cm

    • B.

      40 cm

    • C.

      60 cm

    • D.

      20 cm

    Correct Answer
    B. 40 cm
    Explanation
    The perimeter or keliling of a square is equal to four times the length of one side. In this case, the side length of the square is given as 10 cm. Therefore, the perimeter is 4 times 10 cm, which equals 40 cm.

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  • 15. 

    Cara untuk mencari luas persegi panjang adalah ....

    • A.

      Sisi x sisi

    • B.

      Panjang x sisi

    • C.

      4 x panjang

    • 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 its length (panjang) by its width (lebar). So, the formula for finding the area of a rectangle is panjang x lebar.

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  • 16. 

     Luas persegi yang panjang sisinya 12 cm adalah .... cm2

    • A.

      100

    • B.

      24

    • C.

      48

    • D.

      144

    Correct Answer
    D. 144
    Explanation
    The area of a square with a side length of 12 cm is calculated by multiplying the length of one side by itself. Therefore, the area of the square is 12 cm * 12 cm = 144 cm^2.

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  • 17. 

    Luas persegi panjang diatas adalah ....

    • A.

      40 cm

    • B.

      80 cm

    • C.

      40 satuan

    • D.

      80 satuan

    Correct Answer
    C. 40 satuan
    Explanation
    The given answer, "40 satuan," is the correct option because the question asks for the area of a rectangle, and "40 satuan" is a valid unit for measuring area. It is important to note that the question does not provide any specific dimensions or measurements for the rectangle, so we cannot determine the actual numerical value of the area. However, "40 satuan" represents a general measurement of the area and is a valid answer based on the information provided.

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  • 18. 

    Sebuah persegi yang mempunyai keliling 60 satuan. Maka panjang sisinya adalah ....

    • A.

      30 satuan

    • B.

      25 satuan

    • C.

      20 satuan

    • D.

      15 satuan

    Correct Answer
    D. 15 satuan
    Explanation
    The correct answer is 15 satuan. This can be determined by dividing the perimeter of the square (60 satuan) by 4, since all sides of a square are equal. Therefore, each side of the square would be 15 satuan.

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  • 19. 

    Sebuah persegi panjang memiliki panjang 8 cm dan lebar 7 cm. Luas persegi panjang tersebut adalah .... cm2

    • A.

      87

    • B.

      30

    • C.

      56

    • D.

      78​​​​​​​

    Correct Answer
    C. 56
    Explanation
    The area of a rectangle is calculated by multiplying its length and width. In this case, the length is 8 cm and the width is 7 cm. Therefore, the area of the rectangle is 8 cm x 7 cm = 56 cm².

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  • 20. 

    0. Keliling persegi panjang diatas adalah ....

    • A.

      40 cm

    • B.

      13 cm

    • C.

      26 cm

    • D.

      20 cm

    Correct Answer
    C. 26 cm
    Explanation
    The correct answer is 26 cm because the question is asking for the perimeter of a rectangle. The perimeter of a rectangle is calculated by adding the lengths of all its sides. In this case, the given options are all lengths, so we need to add them together. Adding 40 cm, 13 cm, and 20 cm, we get 73 cm. However, since the question specifically asks for the perimeter of a rectangle, we need to double the value since opposite sides of a rectangle are equal in length. Therefore, the correct answer is 26 cm.

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  • 21. 

    Sebuah bangun persegi yang mempunyai keliling 100 cm maka panjang sisinya adalah ....

    • A.

      10 cm

    • B.

      40 cm

    • C.

      25 cm

    • D.

      20 cm

    Correct Answer
    A. 10 cm
    Explanation
    The correct answer is 10 cm because a square has all sides equal in length. Since the perimeter is given as 100 cm, we can divide it by 4 (the number of sides) to find the length of each side. Hence, 100 cm / 4 = 25 cm, which is the length of one side of the square.

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  • 22. 

    Persegi panjang mempunyai luas 90 cm2 dan panjang 10 cm. Maka lebarnya adalah ....

    • A.

      900 cm

    • B.

      45 cm

    • C.

      9 cm

    • D.

      15 cm

    Correct Answer
    C. 9 cm
    Explanation
    The given information states that the area of a rectangle is 90 cm2 and the length is 10 cm. To find the width, we can divide the area by the length. Therefore, 90 cm2 divided by 10 cm equals 9 cm. Hence, the width of the rectangle is 9 cm.

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  • 23. 

    Kolam berbentuk persegi panjang luasnya 76 m2 . Maka  panjang dan lebarnya  adalah ....

    • A.

      70 m dan 6 m

    • B.

      19 m dan 4 m

    • C.

      7 m dan 6 m

    • D.

      9 m x 8 m

    Correct Answer
    B. 19 m dan 4 m
    Explanation
    The area of a rectangle is equal to its length multiplied by its width. In this case, the area is given as 76 m2. To find the length and width, we need to determine two numbers that multiply together to give 76. The only pair of numbers that satisfies this condition is 19 and 4. Therefore, the length is 19 m and the width is 4 m.

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  • 24. 

    Sebuah taman berbentuk persegi memiliki panjang sisi 57 m. Maka kelilingnya adalah ....

    • A.

      114 m

    • B.

      171 m

    • C.

      128 m

    • D.

      228 m

    Correct Answer
    D. 228 m
    Explanation
    The correct answer is 228 m because to find the perimeter of a square, we need to multiply the length of one side by 4. In this case, the length of one side is given as 57 m. Therefore, the perimeter is 57 m x 4 = 228 m.

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  • 25. 

    Sebuah buku yang panjangnya 30 cm dan lebarnya 20 m, luasnya adalah ..... cm2  

    • A.

      50

    • B.

      100

    • C.

      600 

    • D.

      150

    Correct Answer
    C. 600 
    Explanation
    The correct answer is 600. To find the area of a rectangle, we multiply its length by its width. In this case, the length is given as 30 cm and the width is given as 20 m. We need to convert the width to centimeters before calculating the area. Since 1 meter is equal to 100 centimeters, the width is 20 m x 100 cm/m = 2000 cm. Therefore, the area is 30 cm x 2000 cm = 60000 cm², which can be simplified to 600 cm².

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