Question

Melissa drew two triangles; triangle ABC and triangle PQR, on a coordinate grid. The coordinates of the vertices of triangle PQR are P(3, 3), Q(3, -1), and R(9, -1). The coordinates of the vertices of triangle ABC are A(2, 9), B(2, 5), C(8, 5).

Which postulate can be used to prove that the two triangles are congruent?

SAS

AAA

SSS

SSA