Question

1 Find the circumference of each of the circles with the following radius.
a 10​

Answer 1

Step-by-step explanation:

The circumference of the circle is

20

π

cm or about

62.8

cm.

Here's how I did it:

Explanation:

The formula for a circumference of a circle is

2

π

r

, where

r

is the radius. We can plug our known value of the radius (

10

cm) into the formula and solve.

2

π

10

=

20

π

cm or about

62.8

cm.

Hope this helps!