Question

Angle 6 is 60°.

What is the
measure of 42?
m42 = [?]°
Answer in degrees.
1/2 = [?]°
8/7
4/3
5/6=60°

Answer 1

Explanation:

the intersection angles between a line and 2 parallel lines are the same for each parallel line (otherwise they would not be parallel).

and the intersection angles on one side of a line are the same as in the other side - just left-right mirrored.

so,

angle 2 = angle 4 = angle 6 = angle 8 = 60°