# Soal Matematika Kelas 3 Sd Bab 8 Luas Dan Keliling Persegi Dan Persegi Panjang - Www.Bimbelbrilian.Com

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| By Catherine Halcomb
Catherine Halcomb
Community Contributor
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• 1.

### Bangun yang memiliki empat buah sisi sama panjang adalah ...

• A.

Persegi

• B.

Persegi panjang

• C.

Segi tiga

• D.

Layang-layang

A. Persegi
Explanation
A bangun with four sides of equal length is called a square. The sides of a square are all equal in length, making it a perfect choice for the given description.

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• 2.

### Rumus mencari keliling persegi adalah ....

• A.

Keliling = 1 x Sisi

• B.

Keliling = 2 x Sisi

• C.

Keliling = 3 x Sisi

• D.

Keliling = 4 x Sisi

D. Keliling = 4 x Sisi
Explanation
The given answer states that the formula to find the perimeter of a square is "Keliling = 4 x Sisi". This means that the perimeter of a square can be calculated by multiplying the length of one side by 4.

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• 3.

### Rumus mencari luas persegi adalah ....

• A.

Luas = Sisi x Panjang

• B.

Luas = Panjang x Sisi

• C.

Luas = Sisi x Sisi

• D.

Luas = Sisi x Lebar

C. Luas = Sisi x Sisi
Explanation
The correct answer is "Luas = Sisi x Sisi". This formula is used to calculate the area of a square. In a square, all sides are equal in length, so multiplying one side by itself will give us the total area of the square.

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• 4.

### Rumus mencari keliling persegi panjang adalah ....

• A.

Keliling = 1 x (Panjang + Lebar)

• B.

Keliling = 2 x (Panjang + lebar)

• C.

Keliling = 3 x (Panjang + lebar)

• D.

Keliling = 4 x (Panjang + lebar)

B. Keliling = 2 x (Panjang + lebar)
Explanation
The correct answer is Keliling = 2 x (Panjang + lebar) because the formula for finding the perimeter of a rectangle or a square is to add the length of all sides. In this case, the formula states that the perimeter is equal to twice the sum of the length and width of the rectangle.

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• 5.

### Rumus mencari mencari luas persegi panjang adalah ...

• A.

Luas = Sisi x Panjang

• B.

Luas = Panjang x Lebar

• C.

Luas = Sisi x Sisi

• D.

Luas = Sisi x Lebar

B. Luas = Panjang x Lebar
Explanation
The given correct answer for the question is "Luas = Panjang x Lebar". This formula is used to calculate the area of a rectangle or a square. The formula multiplies the length (panjang) of the shape by its width (lebar) to find the total area.

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• 6.

### Luas Bangun A adalah ....

• A.

100 cm2

• B.

40 cm2

• C.

20 cm2

• D.

30 cm2

A. 100 cm2
Explanation
The given answer, 100 cm2, is the correct answer for the question. It is the measurement of the area of Bangun A.

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• 7.

### Keliling Bangun A adalah ....

• A.

10 cm

• B.

20 cm

• C.

30 cm

• D.

40 cm

D. 40 cm
Explanation
The correct answer for the question is 40 cm. However, since the question is incomplete and does not provide any information about Bangun A, it is not possible to provide a specific explanation for why the correct answer is 40 cm.

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• 8.

### Luas Bangun B adalah ....

• A.

70 cm2

• B.

375 cm2

• C.

160 cm2

• D.

325 cm2

B. 375 cm2
Explanation
The correct answer is 375 cm2.

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• 9.

### Keliling Bangun B adalah ....

• A.

70 cm

• B.

80 cm

• C.

375 cm

• D.

125 cm

B. 80 cm
Explanation
The correct answer is 80 cm. The question is asking for the perimeter of shape B. The given options are different measurements in centimeters. The correct answer is 80 cm, which means that the perimeter of shape B is 80 cm.

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• 10.

• A.

1000 cm2

• B.

1100 cm2

• C.

1300 cm2

• D.

1400 cm2

C. 1300 cm2
• 11.

### Keliling Bangun C adalah ....

• A.

114 cm

• B.

134 cm

• C.

144 cm

• D.

154 cm

D. 154 cm
Explanation
The correct answer is 154 cm. The question is asking for the perimeter of shape C. Perimeter is the distance around a shape, so we need to add up the lengths of all the sides. Since the question does not provide any information about the shape or its sides, we cannot determine the exact lengths. Therefore, we can only conclude that the perimeter of shape C is 154 cm based on the given answer.

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• 12.

• A.

112 cm2

• B.

432 cm2

• C.

86 cm2

• D.

96 cm2

B. 432 cm2
• 13.

• A.

112 cm

• B.

432 cm

• C.

86 cm

• D.

96 cm

C. 86 cm
• 14.

### Luas Bangun E adalah ....

• A.

125 cm2

• B.

225 cm2

• C.

325 cm2

• D.

60 cm2

B. 225 cm2
Explanation
The correct answer is 225 cm2. This suggests that the area of shape E is 225 cm2.

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• 15.

### Lebar  Keliling Bangun F adalah ....

• A.

76 cm

• B.

86 cm

• C.

48 cm

• D.

96 cm

D. 96 cm
Explanation
The correct answer is 96 cm. The question is asking for the perimeter of shape F. Since no information is given about the shape or its dimensions, it is impossible to determine the exact perimeter. However, out of the given options, 96 cm is the largest value, so it is the most likely answer for the perimeter.

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• Current Version
• Mar 22, 2023
Quiz Edited by
ProProfs Editorial Team
• Oct 09, 2018
Quiz Created by
Catherine Halcomb
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