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In the figure, determine the value of $x$.
"
To do:
We have to find the value of $x$.
Solution:
We know that,
Sum of the angles about a point is $360^o$.
Therefore,
From the figure,
$3x + 3x + x + 150^o = 360^o$
$7x = 360^o - 150^o$
$7x= 210^o$
$x = 30^o$
The value of $x$ is $30^o$.
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