If it costs Rs 1600 to fence a rectangular park of length 20m at the rate of Rs 25 .find the breadth of the park and it's perimeter also find the area of the filed
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Answer:
Amount=1600
Rate= 25
Perimeter=1600/25=64m
length=20m
2(l+b)=64
l+b=64/2
20+b=32
b=32-20
breadth=12m
Area=l*b=20*12= 240m^2
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Total cost = 1600
rate of fence= 25
Then area of rectangular park = Total cost/rate of fence
= 1600/ 25
=64m^2
Therefore, area = 64m^2
length of the park= 20 m
Breadth=?
Area of rectangle= length*Breadth
64 = 20* Breadth
64/20 = breadth
3.2 m = breadth
Therefore breadth is 3.2 m
So perimeter of the rectangular park =
2(length+breadth)
2(20+3.2)
=46.4 m
So we found breadth which is 3.2 m
perimeter which is 46.4 m
Area which is 64 meter
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