Circle Theorems

I Turner
Flashcards by , created about 5 years ago

Testing your knowledge on circle theorems, part of GCSE Maths Edexcel

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I Turner
Created by I Turner about 5 years ago
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Question Answer
CT1.jpg (image/jpg) CIRCLE THEOREM 1: The angle subtended at the centre of the circle is twice the angle subtended at the circumference
CT2.jpg (image/jpg) CIRCLE THEOREM 2: The angle in a semicircle is a right angle
CT3.jpg (image/jpg) CIRCLE THEOREM 3: Angles subtended by an arc or chord in the same segment are equal
CT4.jpg (image/jpg) CYCLIC QUADRILATERAL THEOREM: The opposite angles of a cyclic quadrilateral are supplementary (they add up to 180°)
CT5.jpg (image/jpg) Circle Theorem 4: The angle between a tangent and a radius is 90°