Mathematics

Find the values of the unknown x and y in the following diagram.

SOLUTION
By using external angle property
$x+ 50^o = 120^o$
$\therefore x = 70^o$
Sum of all angles of a $\Delta le$ is $180^o$
$50^o + x + y = 180^o$
$50^o + 70^o + y = 180^o$
$\therefore y = 60^o$

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Subjective Medium Published on 09th 09, 2020
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