Total sum of an angles more than 180!?

Joanne L

New member
Hi, Im having trouble on a math question
It says angle A is 47.7 and angle B is 302.5, find angle C.
Unfortunately, the triangle is not 3D so the sums cant be more than 180...

How would I make it so that I can find angle C?
Would I just minus 360 from angle B?
The question is:

Distance between Radio Direction Finders
Radio direction finders are at points A and B, which are 3.46 miles apart on an east-west line, with A west of B. From A, the bearing of a certain radio transmitter is 47.7 degrees; from B the bearing is 302.5 degrees. Find the distance of the transmitter from A.
 
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