Question

Please help me with this question ​

Answer 1

Answer:

since AB is straight line

therefore it makes an angle of 180 degree

7x -20 + 3x = 180

10 x = 180 + 20

10x = 200

x = 20 degree. answer

Angle AOD = y

7x -20 = y

7*20 - 20 = y

140 - 20 = y

therefore y = 120 degree. answer