A gardner wants to fence a circular gardner of diameter 21 cm find the length of wire he needs to purchase and cost of its at the rate of rupes 4 per metre
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Answer:
circumference=66
Rate= Rs. 264
Step-by-step explanation:
diameter= 21 m
radius= 10.5 m
circumference= 2πr
2(22/7)10.5
2(22)1.5
3(22)
=66
Rate= 66*4
Rs.264
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