Posted by **Tyler** on Tuesday, November 27, 2007 at 9:57pm.

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 -
**Elizabeth**, Tuesday, November 27, 2007 at 10:03pm
IT MEANS THAT IS A REGULAR POLYGON

THAT IS EQUANGULAR AND EQUELATELAL.

- Geometry -
**Tyler**, Tuesday, November 27, 2007 at 10:07pm
so if I use Isosolese and acute that would be naming by the angle (acute) and Isosolese (sides)

- Geometry -
**Reiny**, Tuesday, November 27, 2007 at 11:04pm
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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