Circle thereoms

Catherine Flack
Mind Map by Catherine Flack, updated more than 1 year ago
Catherine Flack
Created by Catherine Flack over 7 years ago


GCSE Maths Mind Map on Circle thereoms, created by Catherine Flack on 06/13/2013.

Resource summary

Circle thereoms
1 Thereom 1
1.1 The lengths of two tangents from a point to a circle are equal.
2 Thereom 2
2.1 The perpendicular from the centre of a circle to a chord bisects the chord.
3 Thereom 3
3.1 The angle subtended at the centre of a circle is twice the angle at the circumfrence.
4 Thereom 4
4.1 The angle in a semicircle is a right angle.
5 Thereom 5
5.1 Angles in the same segment are equal.
6 Thereom 6
6.1 Opposite angles of a cyclic quadrilateral are supplementary (add up to 180 degrees).
7 Thereom 7
7.1 The angle between a tangent and a chord is equal to the angle in the alternate segment,
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