The vertex angle of an isosceles triangle is twice the base angle
Find the measure of angles of the triangle.
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Answer:
90
Step-by-step explanation:
since vertex angel is twice the base angles
so let's say base angles x, x since both angles are equal
so twice will be 2x
so sum of the angles in a triangle is 180
so x+x+2x=180
4x=180
x=180/4=45
we need vertex angle so
2x=2*45=90
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