Question

The present shown below is a cube. Find the surface area of the present.

Answer 1

Answer:

2400cm²

Step-by-step explanation:

The formula for surface area of a cube is 6a² where a is the length of one side of the cube.

Given a=20 cm the surface area of the cube is ;

6*20²= 6*400=2400cm²

Answer 2

The value of the surface area of the present which is in the shape of cube and shown in the provided image is 2400 cm².

What is surface area of cube?

Surface area of cube is the sum of the area of each face by which it is enclosed. The surface area of cube can be calculated with the following formula;

$A=6a^2$

Here, (a) is the length of side of the cube.

The length of the cube present which is shown in the provided image is 20 cm long.

Put this value in the above formula as,

$A=6\times20^2\\A=6\times400\\A=2400\rm\; cm^2$

Thus, the value of the surface area of the present which is in the shape of cube and shown in the provided image is 2400 cm².

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