Question

If each side of a square of side "a" units 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 $=a\times a=a^2$
Final area $=2a\times 2a=4a^2$