If a diameter intersects a chord of a circle at a right angle, what conclusion can be made?

Question

The chord is bisected.
The diameter is bisected.
The diameter and the chord are congruent.
The diameter is twice as long as the chord.

Answer 1

If a diameter intersects a chord of a circle at a right angle, the conclusion that can be made is:

The chord is bisected.

This is a property of circles: when a diameter intersects a chord at a right angle, it bisects the chord.