Circle Theorems Worksheet

ctheorems

24 circle theorem questions. Some are pretty tough.

Answers also included.

circle theorems

9 thoughts on “Circle Theorems Worksheet

  1. Is there some significance with the dot on the diameter between both angles a ? Otherwise extending the lines and reflecting in the diameter are surely different outcomes? Please help 😀

  2. I’ve managed to work out θ = 50° by reflecting the triangles along the diameter then making a cyclic quadrilateral to figure out the angle to the left of theta, then making another cyclic quadrilateral to find theta. But I’m still unsure of the relevance of angle a. Is it necessary to find it?
    Thanks

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