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

 

Circle theorems for IGCSE, GCSE 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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