Circle Theorem 1
- Author:
- Mr E. Bissoon
- Topic:
- Circle
Theorem 1
The angle at the centre of a circle is twice the angle at the circumference of the same arc.
In plain terms:
2( + ) = +
Angle is twice that of and Angle is twice that of
The Angle AOB is twice that of the angle at the circumference from the Arc of A and B.