Question

Please help! The answer is either a. or b. but I can't figure out the third angle. PLEASE click attached to view and help!

Answer 1

if you narrowed it down to A or B, simply plug in x = 2pi/3 and see what happens. If you get a true equation, then x = 2pi/3 is a solution. If not, then it has to be B.

Answer 2

check me on this I say b

Answer 3

I say b as well. I tried plugging it in like jim advised. Can anyone confirm?

Answer 4

B is correct

Answer 5

Awesome! Thanks friends

Answer 6

np

Answer 7

glad t0 help out as always