In the given parallelogram ABCD, DP = BQ and ∠ADP=∠CBQ. To which triangle is ΔADP congruent to?
ΔCBQ
ΔPDQ
ΔQBC
ΔPQB
In ΔADP and ΔCBQ ∠ADP=∠CBQ (given) AD = BC (opp. sides of parallelogram) DP = QB (given) ∴ΔADP≅ΔCBQ (by S.A.S. rule)
In the parallelogram ABCD, ΔAOB is congruent to