Opsummering
Circle Theorems for CIE IGCSE Mathematics
Investigations on circle theorems for CIE IGCSE Mathematics
Indholdsfortegnelse
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