if sides of squre is increased by 40%,then by what percent its perimeter will be increased
Answers
Answered by
1
Answer:
40%
Step-by-step explanation:
let original side= s units
New side = s+ 40/100s = s+ 0.4s = 1.4s
perimeter of square= 4side
so, original perimeter = 4s
new perimeter= 4(1.4s) = 5.6s
increase in perimeter = new - old peri
= (5.6-4)s= 1.6s
increase%=increase*100/old perimeter
= 1.6s*100/4s
=40%
Similar questions