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OpenStudy (anonymous):
The exterior angles of a triangle measure x°, (2x)°, and (3x)°. What is the value of x? A. 60 B. 72 C. 45 (I'm not sure at all how to do this, so if you could walk me through it that'd be really great)
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OpenStudy (cwrw238):
the exterior angles of all polygons add up to 360 degrees therefore we can write x + 2x + 3x = 360 find x
OpenStudy (anonymous):
oh ok, so would x = 60?
OpenStudy (cwrw238):
yes
OpenStudy (anonymous):
Thanks!
OpenStudy (cwrw238):
yw
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