Mathematics

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


SOLUTION
Vertically opposite angles are equal
$$x = 60^o$$
Sum of all internal angles of a $$\Delta le$$ is $$180^o$$
$$x + y + 30^o = 180^o$$
$$60^o + 30^o + y = 180^o$$
$$\therefore y = 90^o$$


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Subjective Medium Published on 09th 09, 2020
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