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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