Circle chord, tangent, and inscribed angles proofs

Intros
Start Watching
Lessons
    1. What is a chord?
    2. What is a tangent?
Examples
Start Watching
Lessons
  1. Given: 2AC =AD, 2DF=DH Prove: ∠\angleBEG = 90°
    use circle chord, tangent, and inscribed angles proofs to prove angles in a circle
  2. Given: AC is tangent at B, AC is parallel to DF Prove: arc BD = arc BF Given: 2AC =AD, 2DF=DH Prove: ∠\angleBEG = 90°
    proving angles in a circle using circle chord, tangent, and inscribed angles proofs
  3. Given: EG is tangent at F, AB is parallel to CD Prove: ∠\angleBAF = ∠\angleDCF Given: 2AC =AD, 2DF=DH Prove: ∠\angleBEG = 90°
    Circle chord, tangent, and inscribed angles proofs
  4. 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: ∠\angleBEG = 90°
    use circle chord, tangent, and inscribed angles proofs to prove tangent lines and angles