Question

What is the circumference of a circle with a radius of 0.5 feet, explain your answer.

Answer 1

3.14(rounded to nearest hundredth)

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Solve by...

• First, use the formula for finding circumference by diameter;

`C = 2\pi r`

Which is the same as ↓

`2\pi r = 2 * \pi * r(0.5)`

`= 3.1415926535897932384626433832795`

Answer 2

circumference equals about 3.14

Explanation:

c=2pi times r

c=2 (3.14) times 0.5

c= about 3.14