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Find the value of y in the following figure.
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Given:


$\angle BAC=80^o$, $\angle CAB=52^o$.

To do:


We have to find the value of y.

Solution:


We know that,

The exterior angle theorem states that the measure of each exterior angle of a triangle is equal to the sum of the opposite and non-adjacent interior angles.

Therefore,

$80^o+52^o=y$

$y=132^o$

The value of y is $132^o$.

Updated on: 10-Oct-2022

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