Answer:
The answer to your question is below
Explanation:
PQ ≅ PR Given
Draw median PM Two points determine a line
Point M is the midpoint of QR Definition of median
QM ≅ RM Definition of midpoint
PM ≅ PM Reflexive property of congruence
ΔPQM ≅ ΔPRM SSS Congruence postulate
∠Q ≅ ∠R CPCTC
"I hope it helps you"