find the cost of fencing a circular park whose area is 5544m2 at 20 rupees per meter
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Answer:πr²=5544
22/7 *r²=5544
r²=1764
r=42cm
Cost= 2πr*20
=2*22/7 * 42* 20
=5280Rs
ojasvi23:
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area of circular park = 5544
area of circle = πrxr
5544 = 22/7*r*r
5544*7/22 = r*r
rxr. = 1764
r. = 42m2
circumference=2πr
=2*22/7*42
= 44*6
= 264m2
cost of fence =Rs 20/m
cost of fence for 264m2= 264*20
= Rs 5280
cost of fence for 264m2 is Rs 5280
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