Yes and no. It depends on the situation and how you're asking
Answer:
you would calculate angles with a protractor by using degrees.
Step-by-step explanation:
the center would be put at one corner and then u measure the side you want to know the angle of. hope this helped.
10 I think I’m not really sure give me more info
(m-3)=0. (5m+1)=0
m=3. m=-1/5