Question

In the given figure, AOB is a line, find x​

Answer 1

Answer:

x=22.5

Step-by-step explanation:

• 3x+x+90=180
• 4x+90=180
• 4x=180-90
• 4x=90
• 2x=45
• x=22.5

Answer 2

Answer:

let the sum of aĺl angle at a point on a straight line be = 180°

Step-by-step explanation:

3x + x + 90 = 180

4x + 90 = 180 4x = 180 - 90

4x = 90

2x = 45

x = 22.5