A quadrilateral has vertices L(5,0), M(5, -3), N(-4, -3) and O(-4, 0). What is the perimeter of the figure?

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°