Question

What is the surface area of a cube that has an edge of 7 cm.

Answer 1

Answer: Your answer should be 294 cm2.

Answer 2

294 cm²

Explanation:

A cube has 6 congruent square faces. The surface area is the sum of the area of the 6 faces.

area of one face = 7 × 7 = 49 cm²

surface area = 6 × 49 = 294 cm²