Question

Fill in the blank. If two chords of a given circle are congruent then they must ___________.

A. be diameters
B. be parallel
C. be perpendicular
D. be equidistant from the center of the circle

Answer 1

D be equidistant from the center of the circle

Answer 2

If the two chords are congruent, then they must be equidistant from the centre of the circle.

Ans: D

A is rejected because the chord might not pass through the centre of the circle.
B is rejected because the chords are not obligated to be parallel.
C is rejected because it is not compulsory for the chords to be perpendicular.

Example in file attached.