Answer:
23.7 -2.5 X 8 = 23.7 - 20
= 3.7
5*8=40
40*12=480
480/30=160
Joe needs 160 tiles.
Distance of A from cliff = 1500·arctan(30°) ≅ 723.5 ft
distance of B from cliff = 723.5+1000√3 ≅ 2455.6 ft
tanθ = 2455.6/1500 = 1.637
θ = arctan(1.637) ≅ 58.6°
angle of depression = 90-θ ≅ 30°
Answer:
Step-by-step explanation:
In my opinion the answer should be A B and E
