Mathematics for IGCSE & O level - Circle Theorems (Section 3 - No. 7)
If two chords intersect inside a circle, how are the angles formed related to the intercepted arcs?
The angle is half the sum of the intercepted arcs.
The angle is equal to the difference of the intercepted arcs.
The angle is twice the difference of the intercepted arcs.
The angle is independent of the intercepted arcs.
Giải thích
The angle formed is half the sum of the intercepted arcs.