A gardener wants to fence a circular garden of diameter 21m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the cost of the rope,if it cost rupees 4 . take pie 22/7
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Answered by
2
Answer:
132m
Step-by-step explanation:
the length of rope is 132m and the cost will be 528rs
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Answered by
6
Step-by-step explanation:
here,
diameter
=21m
radius
= d/2
=21/2
circumference
=2pie×r
=2×22/7×21/2
=(2×22×21)/7×2
=66
rope required to complete 2 round
=2×66
=132 m
Cost =4×132
=528 m
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