Mathematics, 23.09.2021 01:20 ShlomoShekelstein

WILL MARK BRAINLEIST Alex is writing statements to prove that the sum of the measures of interior angles of triangle PQR is equal to 180°. Line m is parallel to line n. Line n is parallel to line m. Triangle PQR has vertex P on line n and vertices Q and R on line m. Angle QPR is 80 degrees. Segment PQ makes 40 degrees angle with line n and segment PR makes 60 degrees angle with line n. Which is a true statement he could write?
Angle PRQ measures 40°.
Angle PQR measures 60°.
Angle PRQ measures 80°.
Angle PQR measures 40°.

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WILL MARK BRAINLEIST Alex is writing statements to prove that the sum of the measures of interior an...