Question

What is the circumference of the circle with a radius of 6.5 meters? Approximate using π = 3.14.

40.82 meters
20.41 meters
9.64 meters
4.33 meters

Answer 1

Answer:40.82 meters

The circumference of the circle.

The formula:

- radius

SOLUTION:

We have:

Substitute:

Use:

Explanation:

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Answer 2

40.82 meters

The circumference of the circle.

The formula:

`\huge\begin{array}{ccc}C=2\pi r\end{array}`

`r` - radius

SOLUTION:

We have:

`r=6.5m`

Substitute:

`C=2\cdot6.5m\cdot\pi=13\pi m`

Use:
`\pi\approx3.14`

`C\approx13m\cdot3.14=40.82m`