Circle Theorem: Tangent Meets a Radius at 90°
(KS3, Year 8)

The Lesson

The tangent to a circle makes 90° with the radius which it meets at the point at which it touches.

Lesson Slides

The slider below shows real examples which use the circle theorem where a tangent meets a radius at 90°. Open the slider in a new tab
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See Also

What is a circle? What are the circle theorems?