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OpenStudy (anonymous):
A quadrilateral has three angles that measure 80°, 110°, and 75°. Which is the measure of the fourth angle?
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Parth (parthkohli):
The sum of angles in a quadrilateral is always \(360^{\circ}\)
Parth (parthkohli):
\( \color{Black}{\Rightarrow 360^{\circ} - (80 + 110 + 75)^{\circ}}\)
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