Question

124.0T 6. A pilot in a helicopter spots a landing pad below. If the angle of depression is 73° and the horizontal distance to the pad is 1200 feet, what is the altitude of the helicopter? 7. Building A is 480 feet tall and Building B is 654 feet tall. If the angle of depression from the top of Building B to the top of Building A is 42°, how far apart are the buildings? 8. Zack is standing at the top of a lookout tower and spots a water fountain below. If the lookout tower is 75 feet tall and the angle of depression is 28, what is the horizontal distance between Zack and the water fountain?

Answer 1

The answers are solved below,
Anghe o Horizontal dipression = 730 distance to the pad - AB- 1200ft. 1200 tan 73° opposit Adjusent sich sich 1200 1200x tam 730 n = = 1200 x 3.27 3925.02 Ft Antiluch of Helicopter is x= 3925.02 Ft. BC - AM-ON = 174 Ft. cithience in height to Targh of dippression = 42° 654f4 tan 42° = Bc 480H y = BC S tem 42 b/w two y = 193.24 Ft = 174 - 193.24 Ft 0.900 buldings au y. The distanu

tower right of lookout daph of depresion Horizontal distanu = 75 ft. = BC -28° zack & Foundalion = y b/w 75 Ft tan 28 - y = BC to 250 y = 75 1. tam 28 Horizontal aholana ne b/w zack b/w zack & Foundations, yo Foundations y = 141.05 ft. Augh of elevation = 17° chitane b/w feet & Goal post = 131 ft Height of goal post = a 13) tan 17 = a 731. a= 131x tan 17 a = 40.05 Ft Theight of goal post = Thight of the slich BC= 9 t. Thorizontal dulance Bay augh of elevation - 46° . W y B tem 46 = 2 2 2 y = 9/tan 46 4 = 8.69 Ft Horizontal dilana