2 years ago

find the circumference of a circle with a radius of 9, that's what it is asking, but I don't understand it, so can you help me?

2 answers:

6 0

The formula for getting the circumference of a circle is $C = 2\pi r$ where 'r' is the radius. Just plug in the value for the radius.

$C = 2\pi * 9$

We will also use 3.14 for PI.

$C = 2 * 3.14 * 9$

C = 56.52

Hope this helps!

Bess [88]2 years ago

6 0

Step-by-step explanation:

circumference of circle (c) = 2πr

= 2. 22/7 . 9cm

= 396cm/7

= 56.57cm

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find the circumference of a circle with a radius of 9, that's what it is asking, but I don't understand it, so can you help me?​

find the circumference of a circle with a radius of 9, that's what it is asking, but I don't understand it, so can you help me?