Question

Heidy is standing on a 40-foot cliff overlooking a river. The angle of depression to the near side of the river is 64°, and the angle of depression to the far side is 35°. How wide is the river, to the nearest tenth of a foot?

Answer 1

Answer:

Width of the river =57 feet

Step-by-step explanation:

Width of the river = length AC

Hence Tan 55 = AC/ 40

AC = Tan 55 x 40 = 57.12592026968ft

Hence width of the river = 57.12592026968 feet  ≅ 57 feet

Answer 2

Answer:

37.6 feet

Step-by-step explanation:

Please kindly see the attached for explanation