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OpenStudy (anonymous):
Alex is writing statements to prove that the sum of the measures of interior angles of triangle PQR is equal to 180o. Line m is parallel to line n. Which is a true statement he could write? Answer Angle PQR measures 40o. Angle PRQ measures 40o. Angle PQR measures 60o. Angle PRQ measures 80o.
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OpenStudy (anonymous):
OpenStudy (anonymous):
@mathlover2014 @TheSmartOne @Thesmarterone can someone help?
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