GeoGebra
Circle theorems
Circle theorem 1 - angles from same points
Circle theorem 2 - angles to centre and circumference
Circle theorem 3 - angles in a semicircle
Circle theorem 4 - angles in a cyclic quadrilateral
Circle theorems 5 & 6 - radii and tangents
Circle theorem 7 - radius and chord
Circle theorem 8 - alternate angles
GeoGebra
Circle theorems
Author:
mrjhill
Topic:
Circle
Circle theorem 1 - angles from same points
Circle theorem 2 - angles to centre and circumference
Circle theorem 3 - angles in a semicircle
Circle theorem 4 - angles in a cyclic quadrilateral
Circle theorems 5 & 6 - radii and tangents
Circle theorem 7 - radius and chord
Circle theorem 8 - alternate angles
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