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Outline
Circle Theorems
Isosceles Triangle in a Circle (page 1)
Isosceles Triangle in a Circle (page 2)
Simple Angle in a Semi-circle
Angle in a semi-circle
Angle in a semi-circle (proof)
Simple Angle at the Centre
Simple Angle at the Centre (Reflex Case)
Angle at the centre (page 1)
Angle at the centre (page 2)
Angle at the centre (page 3)
Angle at the centre (page 4)
Angles in the same Segment
Angles in the same Segment (Proof)
Simple Cyclic Quadrilateral
Cyclic Quadrilateral (Proof)
Alternate Segment Theorem (page 1)
Alternate Segment Theorem (page 2)
Alternate Segment Theorem (proof)
Common Tangents to a Circle
Common Tangents to a Circle (Proof)
Circle Theorems
Author:
Michael Borcherds
Topic:
Circle
Isosceles Triangle in a Circle (page 1)
Isosceles Triangle in a Circle (page 2)
Simple Angle in a Semi-circle
Angle in a semi-circle
Angle in a semi-circle (proof)
Simple Angle at the Centre
Simple Angle at the Centre (Reflex Case)
Angle at the centre (page 1)
Angle at the centre (page 2)
Angle at the centre (page 3)
Angle at the centre (page 4)
Angles in the same Segment
Angles in the same Segment (Proof)
Simple Cyclic Quadrilateral
Cyclic Quadrilateral (Proof)
Alternate Segment Theorem (page 1)
Alternate Segment Theorem (page 2)
Alternate Segment Theorem (proof)
Common Tangents to a Circle
Common Tangents to a Circle (Proof)
Next
Isosceles Triangle in a Circle (page 1)
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Parallel or Not? (V2)
Stairs (Optical Illusion)
Angles and Intersecting Lines: Quick Investigation
Witch of Agnesi - A Classical Construction
Discover Resources
Alonzo Graph 3.2 Floating Down the River
Surface of Revolution: More Vases
PR2-04-P2-Q2 Representing Equations Using Scales
Trig Reference Circle (2): Choose Your Own Radius
Dilations Intro: What Do You Notice?
Discover Topics
Combinatorics
Set Theory
Area
Optimization Problems
Differential Calculus