Question

if the radius of a circle is 8 and a central angle has a measure of 90 degrees , what is the arc length?

Answer 1

I know the circumference is 50.24. but don't know where to go from there.

Answer 2

360 degrees is whole. so 90 degree is 1/4.

So you have 1/4 of the circumference.

Answer 3

SO you just divide circumference by 4.

Answer 4

thanks!