a boy walks around a rectangular field of 40m and breadth 20th in the morningand a girls walks around a square field at the same time .if the total distance covered by the boys in 5 rounds is equal to that covered by the girl in 6 rounds find the side if square
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first we have to find the perimeter of rectangle
=2(l+b)
=2(40+20)
= 120
5 rounds so 5*120
=600m
perimeter of square= 4s
6 rounds so 6*4s
=24s
600=24s
s= 25
side=25
first we have to find the perimeter of rectangle
=2(l+b)
=2(40+20)
= 120
5 rounds so 5*120
=600m
perimeter of square= 4s
6 rounds so 6*4s
=24s
600=24s
s= 25
side=25
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