Question

Angle AOB =3x and angle COB =2x + 20. Find the value of X

Answer 1

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Answer 2

Answer:

Value of X=32

Step-by-step explanation:

∠AOB+∠COB=180°................(Linear pair of angles)

∴3x+2x+20    =180°

 ∴5x+20        =180°

    ∴5x            =180-20

         ∴5x        =160°

              ∴x      =160/5

                 ∴x    =32