1.

In the adjoining figure, AOB is a straight line. Find the value of x.

Answer»

From the figure we know that ∠AOC and ∠BOC are a linear pair of angles

So we get

∠AOC + ∠BOC = 180o

We know that

62o + xo = 180o

On further calculation

xo = 180o – 62o

By subtraction

xo = 118o

Therefore, the value of x is 118.



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