Answer:
- S is the midpoint of QR (given)
- QR is perpendicular to PS (given)
- Angles RSP and QSP are right angles
(given)
- RS is congruent to SQ
(definition of midpoint)
- SP is congruent to itself
(reflexive property)
- Triangle RSP is congruent to triangle QSP
(LL or SAS)
- PR is congruent to PQ (CPCTC)