Quadrilateral MNOP with vertices M(-7, 7), N(-2, 7), O(-3, 4), and P(-5, 3):
(a) Rotation: 180°
(b) Reflection: in the line y = -1

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°