Circle Theorems

heyitsmoule15
Mind Map by heyitsmoule15, updated more than 1 year ago
heyitsmoule15
Created by heyitsmoule15 over 7 years ago
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GCSE Maths Mind Map on Circle Theorems, created by heyitsmoule15 on 09/15/2013.

Resource summary

Circle Theorems
1 The angle at the center is double the one at the circumfrence
2 The angle in the semi circle is 90*
3 Angles in the same segment are equal
4 Opposite angles in a cyclic quadrilatral add up to 180*
5 Alternate segment rule
6 An isosceles triangle is made by two radii
7 Tangent meets a radius at 90*
8 Tangents that meet at an external point are equal in length
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