Points X, 1 and 2 are on 05

"not drawn to scale

Which statement must be true?

A Chord XY is congruent to chord YZ.

B. Chord XZ is a diameter of OS.

The measure of XZY is half the measure of ZXSY

D. The measure of ZYSZ is equal to the measure of ZXSY.

1 answer

B. Chord XZ is a diameter of OS.