What is the first step in proving that the sum of the measures of triangle pqr is 180°? construct a line parallel to segment pq construct a bisector of angle p construct a midpoint of segment qr construct a perpendicular bisector of segment pr

Draw a line through R parallel to the segment PQ

First choice.

the answer is su.k.my? ? co.kc

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.