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March 25, 2017

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What does it mean to name a triangle by its sides and by its angles?

I know isosolese, acute, right, etc. are examples of angles, what are examples of names by the sides?

  • Geometry - ,

    IT MEANS THAT IS A REGULAR POLYGON
    THAT IS EQUANGULAR AND EQUELATELAL.

  • Geometry - ,

    so if I use Isosolese and acute that would be naming by the angle (acute) and Isosolese (sides)

  • Geometry - ,

    by angles, a triangle could be
    acute: all angles less than 90
    right-angled: one angle 90º, the other two acute
    obtuse: one of the angles is greater than 90º

    by sides, a triangle could be

    scalene: all sides are of different lengths
    isosceles: two of the sides are equal
    equilateral: all 3 sides are equal

    of course an isosceles triangle also has two angles equal, and an equilateral triangle has 3 60º angles.

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