# circle therom

Mind Map by jesswoodhouse, updated more than 1 year ago
 Created by jesswoodhouse almost 7 years ago
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### Description

Maths Mind Map on circle therom, created by jesswoodhouse on 06/28/2013.

## Resource summary

circle therom
1 1. A perpendicular line that meets a chord at 90 seperating the line into 2 equal portions.
2 2.Angles subtended from a diameter always equal 90
3 3.The angles at the centre are twice the size of the angles at the edge.
4 4.Angles in the same segment are equal.
5 5.Tangents to a circle from a point outside the circle are equal in length
6 6.opposite angles in a quadallateral are equal to 180.
7 7.
8 a. The angle between a tangent and a radius of a circle is 90

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