Two birds sit at the top of two different trees. The distance between the first bird and a bird watcher on the ground is 29.7 feet. The distance between the bird watcher and the second bird is 42.1 feet.
What is the angle measure, or angle of depression, between this bird and the bird watcher?

a. 45.1°
b. 44.9°
c. 54.8°
d. 35.2°

Question

Two birds sit at the top of two different trees. The distance between the first bird and a bird watcher on the ground is 29.7 feet. The distance between the bird watcher and the second bird is 42.1 feet.
What is the angle measure, or angle of depression, between this bird and the bird watcher? 

a. 45.1°
b. 44.9°
c. 54.8°
d. 35.2°

anonymous · Answer

attachment

wolfe8 · Answer

Recall TOA SOH CAH

anonymous · Answer

??

wolfe8 · Answer

Hm. How much trigonometry do you know?

anonymous · Answer

im in geometry Idk why they give me these trig Q's.

wolfe8 · Answer

Well trigonometry is part of geometry. http://mathworld.wolfram.com/Trigonometry.html Refer to equations 1 to 5.

directrix · Answer

Right Triangle Trig:

The sine of angle x is by definition the ratio of the length of the opposite leg to the hypotenuse length.

Sin(x) = 29.7/42.1

@lowcard2

directrix · Answer

Get on the Google calculator at https://www.google.com/#q=2+%2B+3+%3D Click on Radians to make the calculator show Degrees. Click INV, then Sine. Up top in the display, enter 29.7/42.1 as shown in the attachment below.

directrix · Answer

Then, click on =

What pops up?

directrix · Answer

@lowcard2

anonymous · Answer

im doing it now

anonymous · Answer

i got 42.866

directrix · Answer

That's the approximation I got.

directrix · Answer

You need to round that result for an option fit.

anonymous · Answer

so b.
thxxx

anonymous · Answer

IT WAS D