Question

when the side of a square increases by 5 Cm the area of the square increase the area of the square increases by 135 cmsquare find the length of the side of quare

Answer 1

Answer:

Step-by-step explanation:

Let the side of the square be a cm.

Area = a^2 square. Cm.

Side is increased by 5 cm

Then the increased side = a+5 cm

Area of the new square = (a+5) ^2 square cm.

Difference in areas = 135 square. cm

(a+5) ^2 - a^2 = 135

10a+25 = 135

10a = 110

Original side a = 11 cm.