Question

Which of the following is possible measure of the area of a square rug whose dimensions are in whole feet

Answer 1

A. 8 square inches
B. 8 square feet
C. 64 square inches
D. 64 square feet

Answer: D. 64 square feet

Answer 2

because 64 = 8 * 8
and unfortunately 8 = 2 sqrt 2 * 2 sqrt 2