A triangle is a polygon. It is a closed 3-sided shape made up of straight lines. The ‘tri-’ part of the word triangle means three. A triangle has 3 sides and 3 angles. Interior angles are the angles ...
Scalene, Isosceles, and Equi-what? A triangle is a basic polygon used in geometry that consists of three straight lines and three angles. A triangle also possesses three vertices or corners. Students ...
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