A circular pond is to be surrounded by a fence.The radius of the pond is 3.2 m.How many meters of fence is needed to enclose the
pond?
1 answer:
Answer:
≈ 20 m
Step-by-step explanation:
the circumference (C) of a circle is calculated as
C = 2πr ( r is the radius ) , then
C = 2π × 3.2 = 6.4π ≈ 20
length of fence needed is approximately 20 m
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