The length and breadth of a rectangular plot are in the ratio 9:5 if its perimeter is 280m find its area
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perimeter=280cm
let length be=9x
and breadth be 5x
perimeter=2(l+b)
280=2(9x+5x)
280/2=14x
140=14x
x=140/14
x=10cm
so
length=9×1/
=90cm
breadth=5×10
=50cm
area=l×b
=90×50
=4500cm²
here is your answer friend, hope it helps you enough...
let length be=9x
and breadth be 5x
perimeter=2(l+b)
280=2(9x+5x)
280/2=14x
140=14x
x=140/14
x=10cm
so
length=9×1/
=90cm
breadth=5×10
=50cm
area=l×b
=90×50
=4500cm²
here is your answer friend, hope it helps you enough...
Urvashigaur02:
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Answered by
2
Answer:perimeter=2(l+b)
280=2(9x+5x)
280=2(14x)
140=14x
x=10m
l=9x
90m
b=5x
50m
area=l×b
A=90×50
A=4500m²
pls mark it as brainliest if u find this helpful
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