### Circle Theorems 5, 6 & 7 for GCSE, IGCSE and GCE OL

**Circle Theorems**

**Circle Theorem 5**The angle between a radius and the tangent at the point of contact is

a right angle.

*Circle Theorem 6*Two tangents drawn from a point to a circle are equal in length.

**Circle Theorem 7**The angle between a chord and a tangent is equal to the angle in the

alternate segment.

You can practise the above theorems with the following interactive

simulation:

If you want to practise the other circle theorems, please use the following links; they are all interactive:

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