MATH

the measures of the interior angles of a triangle are x,y and 2x respectively. if the triangle is isosceles, what is one possible measure of an angle of this triangle, in degrees?

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  1. The sum of the angles: 180 = 3x + y

    If it's an Isosceles triangle then two angles are the same:
    Either: y=x, or y=2x
    Pick one then substitute and solve.

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    posted by Graham

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