one of the base angle of an isosceles triangle is 52°.find its angle of vertex
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Base angle=52
We know that two base angles of isosceles triangle are same
So,by using angle sum property of triangle
angle of vertex+2×angle of base=180
angle of vertex+104=180
angle of vertex=76
We know that two base angles of isosceles triangle are same
So,by using angle sum property of triangle
angle of vertex+2×angle of base=180
angle of vertex+104=180
angle of vertex=76
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