Soal Matematika Kelas 4 Sd Bab 6 Bangun Datar Jajargenjang Dan Segitiga - Www.Bimbelbrilian.Com

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| By Catherine Halcomb
Catherine Halcomb
Community Contributor
Quizzes Created: 1379 | Total Attempts: 5,981,962
Questions: 25 | Attempts: 4,225

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• 1.

Bangun jajargenjang adalah bangun datar adalah bangun yang mempunyai ..... pasang sisi.

• A.

2

• B.

3

• C.

4

• D.

6

A. 2
Explanation
A jajargenjang is a flat shape that has 2 pairs of parallel sides.

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• 2.

• A.

Sama

• B.

Berbeda

• C.

Berlawanan

• D.

Berbanding 2

A. Sama
Explanation
The sides that face each other in a parallelogram have the same length.

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• 3.

Bangun jajargenjang memiliki simetri putar sebanyak .....

• A.

1

• B.

2

• C.

3

• D.

4

B. 2
Explanation
A jajargenjang has two lines of symmetry, one through each pair of opposite sides. This means that if you were to rotate the jajargenjang 180 degrees around the center point, it would look exactly the same. Therefore, the correct answer is 2.

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• 4.

Rumus yang digunakan untuk mencari luas jajargenjang adalah ....

• A.

A x t : 2

• B.

A x t x 2

• C.

A x t

• D.

P x l

C. A x t
Explanation
The formula used to find the area of a parallelogram is a x t, where a represents the length of one of the parallel sides and t represents the perpendicular height or distance between the parallel sides. This formula is derived from the fact that the area of a parallelogram is equal to the product of its base and height.

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• 5.

Lihat gambar berikut ini untuk mengisi soal nomor 5 sampai 10 Luas bangun nomor ( I ) adalah .... cm²

• A.

125

• B.

168

• C.

120

• D.

140

C. 120
Explanation
The correct answer is 120. The image shows a shape labeled as (I) with a certain area. The options provided are different numbers. By calculating the area of shape (I) using the given measurements or dimensions, it is determined that the area is equal to 120 cm².

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• 6.

Lihat gambar berikut ini untuk mengisi soal nomor 5 sampai 10 Luas bangun nomor ( II ) adalah .... cm²

• A.

315

• B.

54

• C.

378

• D.

325

A. 315
Explanation
The correct answer is 315. This can be determined by looking at the shape in the picture and calculating the area. However, since the picture is not provided, it is not possible to generate an explanation.

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• 7.

• A.

1.365

• B.

1.360

• C.

1.270

• D.

102

B. 1.360
• 8.

Lihat gambar berikut ini untuk mengisi soal nomor 5 sampai 10 Luas bangun nomor ( IV ) adalah ....

• A.

29 cm x 27 cm x 34 cm

• B.

34 cm x 27 cm + 29 cm

• C.

29 cm x 34 cm

• D.

27 cm x 29 cm

D. 27 cm x 29 cm
Explanation
The correct answer is 27 cm x 29 cm. This is because the question asks for the area of the shape, and the formula for finding the area of a rectangle is length x width. In this case, the length is 27 cm and the width is 29 cm, so the area is 27 cm x 29 cm.

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• 9.

Lihat gambar berikut ini untuk mengisi soal nomor 5 sampai 10 Keliling bangun nomor ( I ) adalah ....

• A.

48 cm

• B.

44 cm

• C.

36 cm

• D.

54 cm

A. 48 cm
Explanation
The correct answer is 48 cm. This can be determined by examining the image provided. The shape appears to be a rectangle, and the length of one side is labeled as 12 cm. Since a rectangle has two pairs of equal sides, we can assume that the other side is also 12 cm. The perimeter of a rectangle is calculated by adding up all the sides, so 12 + 12 + 12 + 12 = 48 cm.

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• 10.

Lihat gambar berikut ini untuk mengisi soal nomor 5 sampai 10 Keliling bangun nomor ( IV ) adalah ....

• A.

132 cm

• B.

122 cm

• C.

72 cm

• D.

54 cm

B. 122 cm
Explanation
The correct answer is 122 cm. This can be determined by examining the given figure and calculating the perimeter or circumference of the shape.

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• 11.

Selisih keliling bangun nomor ( II ) dan ( III ) adalah ....

• A.

80 cm

• B.

85 cm

• C.

78 cm

• D.

156 cm

C. 78 cm
Explanation
The difference between the perimeters of shape II and shape III is 78 cm.

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• 12.

Jika luas bangun di atas adalah 475 cm² maka tingginya adalah ....

• A.

17 cm

• B.

29 cm

• C.

19 cm

• D.

23 cm

C. 19 cm
Explanation
The correct answer is 19 cm. To find the height of the figure, we need to know the formula for finding the area of the figure. Without that information, it is not possible to determine the height.

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• 13.

Berdasarkan besar sudut-sudutnya. Bangun segitiga dibedakan menjadi berikut ini, kecuali ....

• A.

Segitiga sama kaki

• B.

Segitiga tumpul

• C.

Segitiga siku-siku

• D.

Segitiga lancip

A. Segitiga sama kaki
Explanation
Berdasarkan besar sudut-sudutnya, segitiga dapat dibedakan menjadi segitiga tumpul, segitiga siku-siku, dan segitiga lancip. Segitiga sama kaki tidak termasuk dalam klasifikasi berdasarkan sudut-sudutnya, melainkan berdasarkan panjang sisi-sisinya.

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• 14.

Segitiga yang ketiga sisinya sama panjang dinamakan segitiga ....

• A.

Sama sudut

• B.

Sama kaki

• C.

Siku-siku

• D.

Sama sisi

D. Sama sisi
Explanation
Segitiga yang ketiga sisinya sama panjang dinamakan segitiga sama sisi. Hal ini berarti bahwa ketiga sisi segitiga memiliki panjang yang sama.

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• 15.

Untuk mencari keliling segitiga di atas digunakan rumus ....

• A.

AB + BC + CB

• B.

AB x BC

• C.

BC + AB

• D.

AB + BC + CA

D. AB + BC + CA
Explanation
The correct answer is AB + BC + CA. The question asks for the formula to find the perimeter of a triangle. The perimeter of a triangle is the sum of the lengths of its three sides. Therefore, the formula AB + BC + CA correctly represents the calculation needed to find the perimeter of the given triangle.

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• 16.

Rumus untuk mencari luas segitiga adalah ....

• A.

Alas x keliling

• B.

Alas x tinggi

• C.

Panjang x lebar

• D.

Alas x lebar

B. Alas x tinggi
Explanation
The correct answer is "alas x tinggi". This is because the formula to find the area of a triangle is base multiplied by height. In this case, "alas" represents the base of the triangle and "tinggi" represents the height. Therefore, multiplying the base by the height will give us the correct formula to find the area of a triangle.

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• 17.

Segitiga yang besar salah satu sudutnya 90 dinamakan segitiga ....

• A.

Lancip

• B.

Siku-siku

• C.

Tumpul

• D.

Sama sisi

B. Siku-siku
Explanation
A triangle with one angle measuring 90 degrees is called a right triangle.

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• 18.

Perhatikan gambar berikut ini untuk mengisi soal nomor 18 – 23  Luas segitiga nomor ( I ) adalah .... cm²

• A.

12

• B.

16

• C.

24

• D.

32

B. 16
Explanation
The correct answer is 16. To find the area of a triangle, we can use the formula A = 1/2 * base * height. In the given image, the base of the triangle is 8 cm and the height is 4 cm. Plugging these values into the formula, we get A = 1/2 * 8 cm * 4 cm = 16 cm².

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• 19.

Perhatikan gambar berikut ini untuk mengisi soal nomor 18 – 23  Luas  segitiga nomor ( II ) adalah .... cm²

• A.

64

• B.

45

• C.

68

• D.

72

C. 68
Explanation
The correct answer is 68. This can be determined by calculating the area of the triangle in the given figure. To find the area of a triangle, we can use the formula A = (base x height) / 2. By measuring the base and height of the triangle in the figure, we can substitute these values into the formula and calculate the area. The result is 68 cm².

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• 20.

Perhatikan gambar berikut ini untuk mengisi soal nomor 18 – 23 Keliling segitiga nomor ( V ) adalah ....

• A.

27 cm

• B.

33 cm

• C.

99 cm

• D.

77 cm

A. 27 cm
Explanation
Based on the given image, the triangle labeled as (V) appears to be an equilateral triangle. In an equilateral triangle, all sides are equal in length. Since the given answer is 27 cm, it suggests that the length of each side of the triangle (V) is 27 cm.

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• 21.

Selisih luas segitiga nomor ( IV ) dan ( III ) adalah .... cm²

• A.

102

• B.

58

• C.

24

• D.

42

D. 42
Explanation
The given answer, 42, is the difference between the areas of triangle IV and triangle III.

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• 22.

• A.

64

• B.

108

• C.

54

• D.

27

C. 54
• 23.

Selisih keliling segitiga nomor ( II ) dan ( V ) adalah ....

• A.

18 cm

• B.

19 cm

• C.

20 cm

• D.

21 cm

A. 18 cm
Explanation
The difference between the perimeters of triangle (II) and triangle (V) is 18 cm.

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• 24.

Jika sebuah segitiga mempunyai luas 200 cm² dan tingginya adalah 10 cm. Maka panjang alas segitiga tersebut adalah ....

• A.

20 cm

• B.

40 cm

• C.

30 cm

• D.

5 cm

B. 40 cm
Explanation
The formula to calculate the area of a triangle is 1/2 * base * height. In this question, the area of the triangle is given as 200 cm^2 and the height is given as 10 cm. We can substitute these values into the formula to find the length of the base. 200 = 1/2 * base * 10. Simplifying this equation, we get 400 = base * 10. Dividing both sides by 10, we find that the length of the base is 40 cm.

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• 25.

Keliling segitiga sama sisi adalah 78 cm. Maka panjang setiap sisinya adalah ....

• A.

39 cm

• B.

28 cm

• C.

26 cm

• D.

36 cm

C. 26 cm
Explanation
The perimeter of an equilateral triangle is equal to the sum of the lengths of its three sides. In this case, the perimeter is given as 78 cm. Since an equilateral triangle has three equal sides, we can divide the perimeter by 3 to find the length of each side. Therefore, the length of each side is 78 cm divided by 3, which equals 26 cm.

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Oct 08, 2018
Quiz Created by
Catherine Halcomb