The angle between a radius and a tangent is 90 degrees

Useful for showing GCSE students that a tangent touches a circle once and only once.

 

cousin.avi

 
Resource Type
Activity
Tags
angle  circle-theorems  exponent  power-function  tangent 
Target Group (Age)
11 – 14
Language
English (United Kingdom)
 
 
GeoGebra version
4.2
Views
893
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