Q. 83.8( 17 Votes )

In the adjoining, there coplanar lines AB, CD and EF intersect at a point O. Find the value of x. Hence, find,and .


Answer :

)


AOD + DOF + BOF + BOC + COE + AOE = 360°


2x + 5x + 3x + 2x + 5x + 3x = 360°


20x = 360°


x = 18°


AOD = 2x = 2× 18° = 36°


COE = 3x = 3× 18° = 54°


AOE = 4x = 4× 18° = 72°

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