measure of inscribed angles = 1/2 the intercepted arc

Author:Melzoo

Drag the slider "Steps" to see the proof. You may drag points A, B, and C around to see that the inscribed angle is always half of the intercepted minor arc.

New Resources

Special Right Triangles 30°-60°-90° and 45°-45°-90°
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Graphing a Circle in Polar Coordinates
bewijs stelling van Pythagoras

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quadrature of a triangle
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