Angles with circles 2 - NCEA Geometric reasoning - 1.6

liamkeegan, 16/8/2022


  • 1. Circle geometry: Tangent and Radius
  • 2. Circle geometry: Tangents from a point
  • 3. Circle geometry: Tangent and chord

1.

Circle geometry: Tangent and Radius

A tangent is a point where a line touches a circle in one place. Move around the tangent and change the size of the radius. What do you notice about the angle they form?
What is this trying to show you?
– liamkeegan, Nicola Trubridge, Glen Reesor

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