Question

If each side of a square, of side a, is doubled, find the new area.

• A. $a^2$
• B. $a^4$
• C. 4$a^2$
• D. 4$a^4$

Answer 1

The correct option is C

4$a^2$

Initial area = a x a = $a^2$
Final area = 2a x 2a = 4$a^2$