Circle chord, tangent, and inscribed angles proofs

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Intros

Lessons

1. What is a chord?
2. What is a tangent?

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°

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