Question

What is the value of c?

Answer 1

Image

Answer 2

Do you know what an inscribed angle is?

Answer 3

Nope D: thats all the information

Answer 4

An inscribed angle of a circle is one that looks like this

It fits inside the circle and has its 3 points on the edge of the circle.

Answer 5

Understand?

Answer 6

So I'm going to give you some examples of inscribed angles to help you see what they are

Answer 7

Ya, but how exactly can that work with this problem? Do I divide 71 degrees by 2?

Answer 8

I'm getting to it, don't worry =)

Answer 9

So the next thing you have to understand is that an inscribed angle subtends an arc on the circle. I'll highlight the arc that each of those angles subtends so that you can see what I mean.