Question

two angles of a triangle measure 35degree and 55degree respectively. find the measure of third angle. also statewhat type of a triangle is it.
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Answer 1

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Let the third angle be x

We know that sum of all the angles of a traingle is 180°.

x+35°+55°=180°

x+90°=180°

x=180-90

x=90°

So the third angle is of 90°

Given triangle is an isosceles triangle.

An isosceles triangle is a triangle having an angle of 90°

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Answer 2

Let the third angle be x
35+55+x=180 ( sum of all angles of a triangle is 180)
x=180-90
x=90
It’s a right angled triangle