Question

 PQ = PR and ∠Q = ∠R. Prove that ΔPQS≅ ΔPRT.

Answer 1

given:- PQ=PR
ANGLE Q = ANGLE R
IN ∆ PQS and ∆PRT
ANGLE P = ANGLE P (COMMON)
PQ =PR(GIVEN)
ANGLE Q = ANGLE R(GIVEN)
therefore,∆PQS~= ∆PRT(ASA)

Answer 2

In this question I used ASA criteria for congruence of triangle.