In ΔNOP, the measure of ∠P=90°, NO = 83 feet, and OP = 49 feet. Find the measure of ∠O to the nearest tenth of a degree.

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°