Central Cirlce Angle measure help?

So Im working out of a summer practice book because I begin Geometry in September and I need some help! So on one of the problems im given a graph. It is divided into three separate parts.
45% is tennis players
25% is basketball players
30% is volleyball players.

Its put into percentage on the pie chart/circle graph. Im not asking for you to do this for me but maybe help me figure out one. What its asking for its that I find the measure of its central angles for the sports team that each color represents.

So would on of my answers look like:

Question

Central Cirlce Angle measure help?

So Im working out of a summer practice book because I begin Geometry in September and I need some help! So on one of the problems im given a graph. It is divided into three separate parts. 
45% is tennis players
 25% is basketball players
 30% is volleyball players.
 
Its put into percentage on the pie chart/circle graph. Im not asking for you to do this for me but maybe help me figure out one. What its asking for its that I find the measure of its central angles for the sports team that each color represents.

So would on of my answers look like:

anonymous · Answer

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