Question

The present shown below is a cube.

Find the surface area of the present.

cm
20
cm
20

Answer 1

2400 cm^2

Explanation:

• we first find the area of ​​a face of the cube, which is a square, with the formula A=L^2, we multiply the result by the number of faces (6) and we have the surface area of ​​the cube

everything is resolved with the expression:

20^2 x 6 = 2400 cm^2