The lenght of the rectangular filed 20 m more than bredth. If the perimeter filed is 280m. What is its lenght?
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let breadth be x
And length be x+20
Since,
perimeter = 2(lxb)
so,
280=2(x+x+20)
280/2=2x+20
140=2x+20
140-20=2x
2x=120
x=120/2
x=60
length is 2O more than breath so it's 60+20= 80
And length be x+20
Since,
perimeter = 2(lxb)
so,
280=2(x+x+20)
280/2=2x+20
140=2x+20
140-20=2x
2x=120
x=120/2
x=60
length is 2O more than breath so it's 60+20= 80
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