Question

Is a straight line and and b stands on it if angle a b = x + 25 and angle b = 3 X + 15 find x

Answer 1

Answer:

35°

Step-by-step explanation:

The sum of angles on a straight line is 180°

so

x+25+3x+15=180

x+3x+25+15=180

4x+40=180

4x=180-40

4x=140

x=140/4

x=35