If r= 1 and 0 = 71, what is the approximatel arc length?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Ineed in figuring out this problem.

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .