Angles PTQ and STR

Angles PTQ and STR are vertical angles and congruent.

Circle T is shown. Line segments T P, T Q, T R, and T S are radii. Lines are drawn to connect the points on the circle and form secants P Q, Q R, R S, and S P. Angles P T Q and S T R are congruent.

Which chords are congruent?

a. QP and SR
b. QR and
c. PR and RS
d. PR and PS


a. QP and SR

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