Triangles and their properties

Glossary:

Angle: Measure of turn

Congruent Triangles: Triangles that are identical to each other in both side lengths and angle measurements

Equilateral Triangle: A triangle that has all 3 sides with equal lengths and angle measurements (60 degrees)

Isosceles Triangle: A triangle that has two sides with equal lengths. The angles opposite the two sides have equal angle measurements

Similar Triangles: Triangles that are identical to each other in angle measurements only. The triangles are proportional to each other in side lengths

Vertical angles: Opposite angles formed from the intersection of two lines that must have identical angle measurements

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