Question

2 If the side lengths of an 8-inch square are doubled, which of the following statements about its area is true?

A the new area will be 16 times the old area
B) the new area will be 4 times the old area
c) the new area will be 2 times the old area
D) the new area will be 9 times the old area

Answer 1

B 4 times

Explanation:

since the area is

side length × side length,

any doubling of the side length is included twice in this multiplication.

2×2 = 4

and so, answer B is correct. the new area will be 4 times the old one.