Question

If the perimeter of one face of a cube is 22.4 cm, determine, to the nearest hundredth, its lateral surface area. *

Answer 1

22.4/4 = 5.6 cm

5.6^2 = 31.36 cm^2 per side

Since the later surface area only counts for 4/6 sides on the cube, (31.36)(4) = 125.44 cm^2