If each side of rectangle is increased by 20%, then what percent of the area of rectangle is increased?
Answer: B . 44%Tweet
Area of the rectangle a = l * b.
Increased area of the rectangle A = L * B
=> A = 1.2l * 1.2b = 1.44a
=> Increased percent is = ((1.44a - a)/a) * 100% = 44%