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The radius of a circle is 6.1 cm. Find the circumference \textit{to the nearest tenth}to the nearest tenth.

Respuesta :

Answer:

[tex]circumference = 2\pi \: r \\ = 2 \times 3.14 \times 6.1 \\ = 38.3 \: cm[/tex]

We have been given the radius of a circle is 6.1 cm. So, the Circumference of the circle is 38.3 cm.

How are the radius and circumference of a circle related?

Suppose that a considered circle has:

Circumference = C units

Radius = r units

Then, we get:

[tex]C = 2\pi r \: \rm units[/tex]

We have been given the radius of a circle is 6.1 cm.

The Circumference of the circle

[tex]C = 2\pi r \: \rm units[/tex]

[tex]C = 2\times 3.14 \times 6.1 \rm units\\\\C = 38.3cm[/tex]

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