You used a ruler........................................?
Answer:
B.)
Step-by-step explanation:
I think
Answer:
3
Step-by-step explanation:
Answer:
142 degrees
Step-by-step explanation:
Since line M is straight, we know that the sum of the measure of angle 7 and 38 degrees must be 180. So we can set up an equation. Let's set the measure of angle 7 to be x
38 + x = 180
we can subtract 38 from both sides to find
x = 180-38 = 142
