1. Home
  2. >Geometry
  3. >Circles, plane and coordinate
Help

Circle chord, tangent, and inscribed angles proofs

All You Need in One Place

Everything you need for better marks in primary, GCSE, and A-level classes.

Learn with Confidence

We’ve mastered the UK’s national curriculum so you can study with confidence.

Instant and Unlimited Help

24/7 access to the best tips, walkthroughs, and practice questions.

0/1
?
Intros
Lessons
    1. What is a chord?
    2. What is a tangent?
0/4
?
Examples
Lessons
  1. Given: 2AC =AD, 2DF=DH Prove: ∠\angleBEG = 90°
    use circle chord, tangent, and inscribed angles proofs to prove angles in a circle
    1. 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
      1. 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
        1. 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
          Topic Notes
          ?