Question

find the measure of angle 1

Answer 1

Answer:

42

Step-by-step explanation:

Angle 1 and the angle that is 138 degrees is on the same line. A line is 180 degrees, so you subtract 138 from 180 and you get 42. I hope this helps (:

Answer 2

Answer:

42 degrees

Step-by-step explanation:

every line is 180 degrees, right, so you need to subtract the number you know another angle to find the missing number.

180-138

42

angle 1 is 42 degrees