# Circle chord, tangent, and inscribed angles proofs

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##### Intros

##### Examples

###### Lessons

- Given: 2AC =AD, 2DF=DH
Prove: $\angle$BEG = 90°

- Given: AC is tangent at B, AC is parallel to DF
Prove: arc BD = arc BF
Given: 2AC =AD, 2DF=DH
Prove: $\angle$BEG = 90°

- Given: EG is tangent at F, AB is parallel to CD
Prove: $\angle$BAF = $\angle$DCF
Given: 2AC =AD, 2DF=DH
Prove: $\angle$BEG = 90°

- Given: AF is tangent to circle X at D, CF is tangent to circle Y at E. DF tangent to both circles
Prove: DF = EF
Given: 2AC =AD, 2DF=DH
Prove: $\angle$BEG = 90°