Answer:
x = 125°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Subtract the sum of the given angles from 180 for x, that is
x = 180° - (30 + 25)° = 180° - 55° = 125°
times each other
times by each other
the missing angle is 130
180-50=130
5.625
45 ÷ 8 = 5.625