Askydiver jumps from an airplane at an altitude of 2,500 ft. he falls under the force of gravity until he opens his parachute at an altitude of 1000 ft. approximately how long does the jumper fall before he opens his chute?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²