A gardener

A gardener wants to fence a circular garden of diameter 21 m. 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 costs $0.40 per meter.

Correct answer:

x =  132 m
c =  52.78 USD

Step-by-step explanation:

d=21 m n=2  o=π d=3.1416 2165.9734 m  x=n o=2 65.9734=132 m
c=0.40 x=0.40 131.9469=52.78 USD



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