Answer:
it's sas
Step-by-step explanation:
statement: angle pqr is congruent to angle sqt. reason: they are vertical angles
statement: line pq is congruent to line qt
reason: definition of midpoint
statement: line sq is congruent to line qr
hope this helps
Answer: C is your answer.
3
It would be 7 + 2x = 15
