Pls help asap :_:
Steven knows that the first angle of a triangle measures 98 degrees, and the second angle measures 37 degrees.
Which equation could Steven use to find x, the measure of the third angle?
a)x = 180 + 98 + 37
b)x = (98 + 37) ÷ 180
c)x = 180 − (98 + 37)
d)x = 3 × (98 + 37)