A square plot of land is to be expanded such that its area becomes 225% of the original. By what percentage must each side be increased?
Show answer & explanation
Correct answer: A
Explanation
New Area = 225% = 2.25 × Original Area
Area = (Side)²
New Side / Old Side = √2.25 = 1.5
Increase = 1.5 − 1 = 0.5
Percentage Increase = 0.5 × 100 = 50%