8.7.4 Triangles

Definitions:

• • Triangle --> Formed by three line segments that intersect only at their endpoints

  • Acute Triangle --> All angles are acute angles

  • Right Triangle --> One angle is a right angle

  • Obtuse Triangle --> One angle is an obtuse angle

  • Scalene Triangle --> No sides are congruent (No sides are the same length)

  • Isosceles Triangle --> At least two sides on the triangle are congruent (same length)

  • Equilateral Triangle --> All sides on the triangle are congruent (same length)