Question

A rectangular solid measures 4 cm long by
2 cm wide by 2 cm high. What is the sur-
face-area-to-volume ratio of the solid?

Answer 1

Surface area: S=2LH+2LW+2WH=2x4x2+2x4x2+2x2x2=40 (cm)

Volume: V=LWH=4x2x2=16 (cm^3)

Ratio: 40:16 = 5:2

=> Answer is 5:2