For each triangle shown below, determine whether you would use the Law of Sines or Law of Cosines to find angle x. Then find angle x to the nearest tenth.

Question

anonymous · Answer

attachment

anonymous · Answer

answer choices
	 A. 8.8 by The Law of Sines (SSA)	

B. 22.9 by The Law of Cosines (SAS)	

C. 10.7 by The Law of Sines (SAS

anonymous · Answer

@Cemantha do you know this one?

anonymous · Answer

is there a 4th choice?

anonymous · Answer

yeah but i picked that and it was wrong :/

anonymous · Answer

oh ok. let me chek k one sec.

anonymous · Answer

kay :)

dumbcow · Answer

its C
using law of sines, x = 10.67

dumbcow · Answer

law of cosines only works if you have at least 2 side lengths

anonymous · Answer

tally i got c

anonymous · Answer

okay thank yall so much i have one more question i cant figure out i know what goes with it but i dont remember what im supose to do lol.

anonymous · Answer

attachment

anonymous · Answer

To approach the runway, a pilot of a small plane must begin a 10 descent starting from a height of 1983 feet above the ground. To the nearest tenth of a mile, how many miles from the runway is the airplane at the start of this approach

anonymous · Answer

A. 2.2 mi	

B. 0.4 mi	

C. 11,419.6 mi

anonymous · Answer

does anyone know the answer to this one?

dumbcow · Answer

$$\sin 10 = \frac{1983}{x}$$
$$\rightarrow x = \frac{1983}{\sin 10}$$

dumbcow · Answer

note...units are in feet
1 mile = 5,280 feet