the length of a rectangular floor is 20 metres more than its breadth if the perimeter of the floor is 280 metres what is its length
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let lenth = x + 20
let breath = x
now perimeter =)
x+x+x+20+x+20=280
4x=280-(20+20)
4x=280-40
x=240/4
x= 60
breath = 60 meters
lenth =x+20
=) 60+20
= 80 meters
ANSWER -) lenth is 80 meters and breath is 60 meters
hema789:
thanks
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