Question

The sides of a rectangle are 20 centimetre and 15 CM if each side of the rectangle is increased by 20% find the percentage increase in the area​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Before increasing

Area = l X b

        = 20 X 15

        = 300

l = 20 + 20/100

 = 20.2

b= 15 + 20/100

 = 15.2

Area = l X b

        = 20.2 X 15.2

        = 307.04