Question

Triangle PQR and triangle XYZ are such that PQllXY; PRllXZ and PQ=XY. If PR=XZ, then show that ar(triangle PQR) = ar(triangle XYZ)

Answer 1

proof =:PQ=XY (given)
PR=XZ. (". )
angle Q=angle Y (angles opp.to opp.sides are equal)