Question

If the side of a square is increased by 25%
then how much per cent does its area get
increased?​

Answer 1

Answer:

56.25%

for example

take a square whose side is 10 cm and calculate it's area.

now wkt in 10 2.5 is 25% more. so add 2.5 cm to it so that it becomes 12.5 cm.

now calculate it's area.

subtract the ar of bigger square with ar of original square youll get your desired answer