Question

Line m is parallel to line n. The measure of angle 4 is 109°. What is the

measure of angle 6?

A) 71°
B) 109°
C) 95°
D 101°

Answer 1

71771171717117171717711771717171177171717117117171717

Answer 2

The answer is A, 71°.

180-109=71

Since m and n are parallel, angles 4 and 6 will add up to 180 degrees - just like angles 4 and 2. Remember that 180 degrees is a straight line: if angles 4 and 6 are put together, they will make a straight line.