In a right angled triangle one angle is 30andtheather angle is xand the exterior angle of the triangle is y . find the measure of x And y?

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Solution

the sum of angles of triangle=180 (degree)

In right angled triangle, one angle is (y)= 90 (degree).

So, sum of the two remaining angles= 180–90=90(degree)

The angle given is 30(degree)

Hence, required angle(x)= 90–30=60 (degree)
so x=60(degree) y=90(degree)

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