Interactive Central Angle of a Circle

Explore Central Angle and Arc Length

Explore and discover the relationship between the central angle of a circle and its intercepted minor arc. Just click and drag the points.

$$ \overparen{\rm BC} = \class{data-angle}{56.43} \\ \angle A = \class{data-angle}{56.43} $$
Drag Points To Start Demonstration

Back to Circles Next to Inscribed angle