Question

see attachment

Answer 1

Confusing.

Answer 2

Find angle C, then use Law of Sines

Answer 3

apply law of sines. .

Answer 4

Tan?

Answer 5

Only right triangle trig for this problem so I was told.

Answer 6

\[\frac{BC}{\sin 42} = \frac{325}{\sin C}\]

Answer 7

I think tangent could work too

Answer 8

angle C= 180 -(110+42) =38

Answer 9

substitute value of angle C to the equation dumbcow given. . .

Answer 10

Sorry my mouse was spazzing out but you get the idea :P

Answer 11

Why not Tangent?

Answer 12

you could use tangent by splitting angle B into a right angle but thats just more work ?

Answer 13

yeah, agree @ dumbcow. .

Answer 14

I'm pretty sure she'not supposed to know the law of sines.

Answer 15

I don't know it

Answer 16

yes

Answer 17

value of angle C is 38. .

plug it to the equation compute. .