How was I supposed to solve these questions?
1.) http://i.imgur.com/6f8TJMq.png
2.) http://i.imgur.com/nIubj82.png
3.) http://i.imgur.com/I12i5KU.png
4.) http://i.imgur.com/PC2G3n0.png

Question

How was I supposed to solve these questions? 
1.) http://i.imgur.com/6f8TJMq.png
2.) http://i.imgur.com/nIubj82.png
3.) http://i.imgur.com/I12i5KU.png
4.) http://i.imgur.com/PC2G3n0.png

dan815 · Answer

the angle at the cimcumferece is half the angle at the center

dan815 · Answer

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dan815 · Answer

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dan815 · Answer

if you'd like i can show u proof for why this angle at the circumference is always half the angle at the center, or give you links that show u it

-welp- · Answer

Thanks! Could you show me what I'm supposed to do for 3 and 4?