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Mathematics 7 Online
OpenStudy (anonymous):

Find the measure of angle Z I'm drawing it now!!

OpenStudy (anonymous):

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OpenStudy (anonymous):

OH! Z is the upper angle of the triangle My bad

OpenStudy (anonymous):

it is 123 - 90

OpenStudy (anonymous):

it is based on the fact that the exterior angle is equal to the sum of the interior opposite angles

OpenStudy (anonymous):

180 - 123 = 57. All three sides of a triangle must add up to 180. 57 + 90 = 147 z = 33 degrees.

OpenStudy (anonymous):

Thank you, guys!(::

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