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$a^2$

Area of square of side 'a' = $a\times a$ = $a^2$
Area of the square, if side is doubled .i.e. $2a.$
Final area =$2a\times 2a$= 4$a^2$