Question

Explain the given problem step by step

Answer 1

here's your answer it may help you

Answer 2

Hi friend, here's your answer...

AOB + ACB = 120 degree

or, AOB + 1/2 AOB = 120

or, AOB( 1+ 1/2 ) = 120

or, AOB × 3/2 = 120

or, AOB = 120 × 2/3 = 80

....(Ans.)

HOPE IT WILL HELP YOU