Question

if the side of a square is increased by half of itself , then its perimeter increases by 10 cm.find the difference between the new and original side.​

Answer 1

Answer:

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Step-by-step explanation:

Let the side length of the original square = 1

Area = 1^2 = 1

Increase the side length by 10% to 1.1

Area now = 1.1^2 = 1.21

The area has increased by 1.21 - 1 = 0.21

= 21%