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OpenStudy (cookie_2046):
Determine the measure of each exterior angle.
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OpenStudy (cookie_2046):
OpenStudy (♪chibiterasu):
Well we can figure out B pretty easily. A - 50 = 70 - 50
OpenStudy (♪chibiterasu):
C*
OpenStudy (♪chibiterasu):
And we know that a triangle has a sum of angles of 180, so: 180 - (A + C) = B
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