Question

The diameter of a circle is 6 cm. About how long is the circumference of the circle?

A
9 cm
(B
12 cm
©
(U
19 cm
D
28 cm

Answer 1

The circumference is about 19 centimeters.

Explanation:

The formula for finding the circumference of a circle is
`2\pi r` or simply
`\pi d`.

Now input the values into the formula, keeping in mind that pi is almost 3.14.

`\pi *6=18.84`

Answer ≈ 19 cm

Hope this helps; have a great day!