Question

What is the length of one side of a cube that has a surface area of 2400 square mm?

a. 20.00 mm
b. 24.29 mm
c. 17.32 mm
d. 8.16 mm

Answer 1

a) 20.00mm

Explanation:

Since the cube has 6 faces divide it by 6.

Answer 2

A)20.00mm

Explanation:

since the cube has 6 faces divide it by 6.

= 2400 ÷ 6

=400

1 face = 400 area

since the surface of the cube is square and its area is 'side square'

find the square root of 400

which is 20 cm (side)

Also, I took the test and got it correct.