Question

What is the arc length of arc CD in the circle below?

Circle A is shown with a radius labeled 10 feet and a central angle marked 40 degrees.

3.14 feet
4.88 feet
6.98 feet
11.78 feet

Answer 1

First of all, let's think about this logically.

An 'arc length' is really a proportion of the circumference. Right?
An the 'central angle' is really a proportion of the 360 degree angle of a circle. Right?

Then we can set up a proportion!
\[\frac{central~\angle}{360^{o}} = \frac{arc~length}{circumference}\]

You are given the central angle, and you can FIND the circumference.

Now can you solve that proportion?

Answer 2

nah can i just have the answer i give medal

Answer 3

Check pms

Answer 4

ok ok

Answer 5

thanks