Problem:

Junelo wants to fence his circular vegetable garden with barbed wire. Its radius is 5 meters. How many meters of barbed wire needed to fence his circular vegetable garden?

A. 3.14 m

B. 31.4 m

C. 314.0 m

D. 3 140 m

Solution:

radius = 5m

π = 3.14

C = 2πr

C = 2(3.14)(5)

C = 31.4m

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