A balloon on a 50-foot string makes an angle of 40° with the ground. How high above the ground is the balloon?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?