A monument is 75 meters high. At an information booth, an observer notices the angle of elevation to the top of the monument is

Question

3 years ago

9

36 degrees. How far is the observer from the base of the building?

2 answers:

kati45 [8] · Answer 1 · 2022-04-09T03:21:00+03:00

kati45 [8]3 years ago

6 0

Tan(36) = height/distance
0.727 = 75/distance
distance = 103.23

NISA [10] · Answer 2 · 2022-04-09T04:34:09+03:00

NISA [10]3 years ago

4 0

Cos36=75/x
x=75/cos36

x is the distance of the observer from the base this is done by the use of CosA(adj side)H(hypotenuse)