Circle chord, tangent, and inscribed angles proofs
- Intro Lesson: a7:11
- Lesson: 14:41
- Lesson: 25:20
- Lesson: 33:57
- Lesson: 44:07
Circle chord, tangent, and inscribed angles proofs
Lessons
- Introductiona)
- What is a chord?
- What is a tangent?
- 1.Given: 2AC =AD, 2DF=DH Prove: ∠BEG = 90°
- 2.Given: AC is tangent at B, AC is parallel to DF Prove: arc BD = arc BF Given: 2AC =AD, 2DF=DH Prove: ∠BEG = 90°
- 3.Given: EG is tangent at F, AB is parallel to CD Prove: ∠BAF = ∠DCF Given: 2AC =AD, 2DF=DH Prove: ∠BEG = 90°
- 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: ∠BEG = 90°
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4.
Circles, plane and coordinate
4.1
Circles and circumference
4.2
Arcs of a circle
4.3
Areas and sectors of circles
4.4
Angles in a circle
4.5
Chord properties in circle geometry
4.6
Tangent properties in circle geometry
4.7
Central angles and proofs
4.8
Inscribed angles and proofs
4.9
Central and inscribed angles in circles
4.10
Circle chord, tangent, and inscribed angles proofs