Question

If a line CO intersects straight line AB at O and angle AOC = 3x+10 and angle BOC= 4x - 26. Find x.

Answer 1

Step-by-step explanation:

∠AOC+∠COD=100

∘

∠BOD+∠COD=146

∘

∴∠AOC=100

∘

−∠COD

∠COD+∠AOC+∠BOD=180

∘

{straight line}

∠BOD=180

∘

−100

∘

=80

∘

∠COD=146

∘

−80

∘

=66

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