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Mathematics 21 Online
OpenStudy (anonymous):

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!

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

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.

OpenStudy (anonymous):

check me on this I say b

OpenStudy (anonymous):

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

jimthompson5910 (jim_thompson5910):

B is correct

OpenStudy (anonymous):

Awesome! Thanks friends

jimthompson5910 (jim_thompson5910):

np

OpenStudy (anonymous):

glad t0 help out as always

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