# if the perimeter of one face of a cube is 20 cm, then its surface area is

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## If the perimeter of one face of a cube is 20 cm , then its surface area is

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Question

## If the perimeter of one face of a cube is 20cm, then its surface area is

**A**120cm

2

**B**150cm

2

**C**125cm

2

**D**400cm

2 Medium Open in App

Updated on : 2022-09-05

Solution Verified by Toppr

Correct option is B)

Perimeter of one face of a cube is 4a=20⇒a=5 cm

Now the surface area will be 6a

2 =6×5×5 =150cm 2

Hence, option B is correct.

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## If the perimeter of a cube is 20 cm, what will be the area of the cube?

Answer: If the perimeter of a cube is 20 cm, what will be the area of the cube? (Why can’t Quorans check what they submit?) The cube has 12 edges. What do you mean by perimeter of a cube? Is it the sum of the 12 sides? If that is so, each face of the cube is a square of (20/12) = 1.66666666 cm s...

If the perimeter of a cube is 20 cm, what will be the area of the cube?

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Ph.D. in Civil Engineering. Maths keeps one mentally active.Author has 60.9K answers and 37.5M answer views5y

If the perimeter of a cube is 20 cm, what will be the area of the cube? (Why can’t Quorans check what they submit?)

The cube has 12 edges. What do you mean by perimeter of a cube? Is it the sum of the 12 sides? If that is so, each face of the cube is a square of (20/12) = 1.66666666 cm side. Each face has an area of 1.66666666 ^2 = 2.7777777777 sq cm and the 6 faces have a total surface are of 6*2.7777777777 = 16.66666666667 sq cm.

Even the area of your palm will be bigger than the TSA of the cube!

If you the say the perimeter of each face is 20 cm then each face has an area of 5*5 = 25 sq cm and

Philip Lloyd

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Klaus Ole Kristiansen

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The perimeter of one face of a cube is 32 cm. What is the volume of the cube?

Since the perimeter of a face is 32 cm, each edge of the cube is 8 cm (32 cm divide by 4). The volume of the cube is 8 cm x 8 cm x 8 cm, or 512 cm ^ 3. Since 1 cm ^3 is equal to 1 mL, the volume could also be stated as 512 mL.

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The perimeter of one face of a cube is 20 cm. What is the volume of the cube?

One face of the Cube îs a Square then the side of the square and the cube is 20/4 =5

volume of the cube is side powered to three then volume is 5^3=125

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The perimeter of a cube wall is 120 meters. What is the surface area and the body diagonal of this cube?

If the cube has a side

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a=10m a=10m , the surface is 6× 10 2 m 2 =600 m 2 6×102 m2=600 m2 and the diagonal is 10 3 – √ m 103 m

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A cube has a total area of 150cm^2. What is the area of each face and the length of each edge?

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## The perimeter of face of a cube is 20 cm. Find the volume of cube.A. 125 cm 3B. 120 cm 3С. 135 cm 3D. 145 cm 3

The perimeter of face of a cube is 20 cm. Find the volume of cube.A. 125 cm 3B. 120 cm 3С. 135 cm 3D. 145 cm 3

Byju's Answer Standard VIII Mathematics Volume of Cube The perimeter... Question

The perimeter of face of a cube is 20 cm. Find the volume of cube.

A 125 cm 3 B 120 cm 3 C 135 cm 3 D 145 cm 3 Open in App Solution

The correct option is **A**

125 cm 3

Given, perimeter of face of a cube is 20 cm.

All the faces of a cube are square in shape.

∵

Perimeter of a square = 4 x side

⇒ 4 x side = 20 cm ⇒ side = 5 cm Volume of cube = side 3 = 5 3 = 125 cm 3 Suggest Corrections 7

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