Circle Theorems 0.0 / 5 ? Mathematics2D and 3D shapeGCSEEdexcel Created by: castielhowlterCreated on: 22-10-17 15:58 Bow Tie Angles subtended at the circumference sharing the same arc are equal 1 of 7 Arrow The angle subtended at the centre is twice the size the angle subtended at the circumference 2 of 7 Cyclic Quadrilateral Opposite angles of a cyclic quadrilateral are supplementary 3 of 7 Angle in a semicircle The angle subtended on the diameter of a circle is always a right angle 4 of 7 alternate segment theorem alternate segment theorem 5 of 7 Two Tangents to a point Any two tangents to the same point are equal in length 6 of 7 Radius meets Tangent The angle between a radius and tangent is 90 degrees 7 of 7
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