In rectangle QRST, diagonals QS and RT are drawn and intersect at point P. Which of the following st
must be true?
A. AQPR must be a right triangle.
B. AQPR must be congruent to AQRS.
C. AQPR must be congruent to AQPT.
D. AQPR must be congruent to ASPT.
