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CT1 (image/jpg)
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CIRCLE THEOREM 1: The angle subtended at the centre of the circle is twice the angle subtended at the circumference |
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CT2 (image/jpg)
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CIRCLE THEOREM 2: The angle in a semicircle is a right angle |
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CT3 (image/jpg)
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CIRCLE THEOREM 3: Angles subtended by an arc or chord in the same segment are equal |
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CT4 (image/jpg)
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CYCLIC QUADRILATERAL THEOREM: The opposite angles of a cyclic quadrilateral are supplementary (they add up to 180°) |
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CT5 (image/jpg)
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Circle Theorem 4: The angle between a tangent and a radius is 90° |
2 comments
almost 8 years ago
Include Alternate segment theorem
about 10 years ago
Hope this is useful, add comments if you like it or have any ideas to make it better :)
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