Question

A surveyor standing at point A measured the angle of elevation to the top of the mountain as 30 degrees. She moved 150m closer to the mountain and at point B measured the angle of elevation to the top of the mountain as 45 degrees. There is a proposal to have a strong cable from point A to the top of the mountain. What is the length of the required cable.

Answer 1

B should be at the end of 150m

Answer 2

I would use the law of sines

Answer 3

are you familiar with this?

Answer 4

is this a/SINA=b/SINB and so on and so forth

Answer 5

correct

Answer 6

ill set up the triangle then ill let you use the rule

Answer 7

I think I could solve it.
Wow and here's another graphic to add to the others.

Answer 8

180-45= 135