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Outline
GCSE Higher Ch16 Circle Theorems
Specification Details
Theorem 1
Theorem 2
Theorem 3
Theorem 4
Theorem 5
Theorem 6
Theorem 7
Theorem 8
Mixed Examples
GCSE Higher Ch16 Circle Theorems
Author:
Nicola Trubridge
Topic:
Circle
Table of Contents
Specification Details
Circle Theorems
Isosceles Triangle in a Circle (page 1)
Theorem 1
Angle at centre is twice angle at circumference
Angle at centre is twice angle at circumference.
Theorem 2
Angle in a semi-circle
Angle in a semi-circle
Angle in a semi-circle PROOF
Angle in a semi-circle (proof)
Theorem 3
Angles in the same Segment
Angles in the same Segment (Proof)
Theorem 4
Cyclic quadrilaterals
Simple Cyclic Quadrilateral
Cyclic Quadrilateral (Proof)
Theorem 5
Tangent at a Point
Theorem 6
Tangents to a circle are equal (Proof)
Theorem 7
Diameter-Chord Theorem
Diameters & Chords I (VA)
Theorem 8
Alternate Segment Theorem (page 1)
Alternate Segment Theorem (page 2)
Alternate Segment Theorem (proof)
Mixed Examples
Circle theorems
Next
Circle Theorems
New Resources
Making New Year's resolutions for 2026
Tetrahedron String Art
Neuberg's Theorem
Average Value
Prism Drawn in 2-Point Perspective
Discover Resources
PRACTICE: Finding Area and Perimeter of trapezoids
Chernobyl Project
Try3
Y over X Views
Algebraic Area (Klein)
Discover Topics
Geometric Mean
Random Experiments
Combinatorics
Circumcircle or Circumscribed Circle
General Quadrilateral