A Material Has a Coefficient of Volume Expansion of 40

Multiple Choice

A material has a coefficient of volume expansion of 40 × 10−⁶/°C.What is its area coefficient of expansion?

A) 20 × 10−⁶/°C
B) 27 × 10−⁶/°C
C) 80 × 10−⁶/°C
D) 60 × 10−⁶/°C
E) 13 × 10−⁶/°C