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math

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if the measure of the angles of a traingle are represented by 2x, 3x-15, and 7x+15, the traingle is

1 an isosceles triangle
2 a right triangle
3 an acute triangle
4 an equilateral triangle

  • math - ,

    The sum of the measures of the three interior angles of a triangle is 180 degrees. So:
    2x + 3x - 15 + 7x + 15 = 180
    12x = 180
    x = 15

    So the measures of the angles are 30, 30, and 120.

    That should be enough for you to answer the question.

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