Question

In ABC, if mA = 100° and mB = 50°, what is mC?

Answer 1

in a triangle, sum of the three angles= 180 degree

Answer 2

In a triangle, the sum of all the angle is 180°.
so 180°=mA+mB+mC
mC=180°-mA-mB

Answer 3

please try to do the rest yourself

Answer 4

so would it be A?

Answer 5

??