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Which statement about g in quadrilateral WXYZ is correct?
A. g=360°−(45°+170°+80°)
B. g=45°
C. g=180°+80°
D. g cannot be determined because you do not know what type of quadrilateral WXYZ is.

Which statement about g in quadrilateral WXYZ is correct A g3604517080 B g45 C g18080 D g cannot be determined because you do not know what type of quadrilatera class=

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mathmate
We know that the sum of interior angles of a quadrilateral is 360 degrees.

Based on that, 
g+170+45+80=360
Subtracting (170+45+80) from both sides gives
g=360-(170+45+80), 
or
g=360-(45+170+80)

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