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Mathematics 10 Online
OpenStudy (cookie_2046):

determine the measure of each exterior angle.

OpenStudy (cookie_2046):

OpenStudy (campbell_st):

find A its supplementary to 75 when you get A you can find A - 50 and then C which is supplementary to A - 50 lastly B, us the exterior angle theorem which says the exterior angle is equal to the sum of the opposite interior angles

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