Mathematics for IGCSE & O level - Circle Theorems (Section 1 - No. 9)
If two chords of a circle are equal, what can you deduce about their distances from the center?
They are equal.
The chord closer to the center is longer.
The distances are not related.
They are at right angles to each other.
Giải thích
Equal chords are equidistant from the center.