- Circle Theorems for CIE IGCSE Mathematics
- Angles in a semi-circle
- Angle between tangent and radius
- Angle at the centre and angle at the circumference
- Angles in the same segment
- Angles in opposite segments
- Opposite angles in cyclic quadrilaterals
- Distance of equal chords from the centre
- Perpendicular bisector of a chord
- External tangents from a point outside the circle
- Angles in alternate segments
- Chords intersecting inside the circle
- Chords intersecting outside the circle
- Angle between extended chord and tangent
Circle Theorems for CIE IGCSE Mathematics
- Author:
- David Cheung
- Topic:
- Circle, Mathematics
Investigations on circle theorems for CIE IGCSE Mathematics
Table of Contents
Angles in a semi-circle
Angle between tangent and radius
Angle at the centre and angle at the circumference
Angles in the same segment
Angles in opposite segments
Opposite angles in cyclic quadrilaterals
Distance of equal chords from the centre
Perpendicular bisector of a chord
External tangents from a point outside the circle
Angles in alternate segments
Chords intersecting inside the circle
Chords intersecting outside the circle
Angle between extended chord and tangent