Marc is writing statements to prove that the sum of the measures of interior angles of triangle PQR is equal to 180 degrees. Line m is parallel to line n.

Which is a true statement he could write?

Angle PRQ measures 45o.

Angle PQR measures 85o.

Angle PQR measures 40o.

Angle PRQ measures 50o.

Question

Marc is writing statements to prove that the sum of the measures of interior angles of triangle PQR is equal to 180 degrees. Line m is parallel to line n. 

Which is a true statement he could write?

Angle PRQ measures 45o.

Angle PQR measures 85o.
 

Angle PQR measures 40o.

Angle PRQ measures 50o.

anonymous · Answer

attachment

anonymous · Answer

PRQ=50 degrees. Just use alternate interior angles.

anonymous · Answer

only last statement is correct 
weird problem