| A | B |
|---|
| Equilateral Triangles | Has three congruent sides |
| Isosceles Triangles | Has at least two congruent sides |
| Scalene Triangles | Has no congruent sides |
| Acute Triangles | Have all acute angles |
| Obtuse Triangles | Have exactly one obtuse angle |
| Right Triangle | Has exactly one right angle |
| Equiangular Triangle | Has all equal angles, all angles = 60 degrees |
| Total degrees of a triangle | 180 degrees |
| Exterior Angles of Triangle | Equals the sum of the measure of the two remote interior angles |
| SSS congruence | Three sides of one triangle congruent to three sides of a second triangle |
| SAS congruence | Two sides and the included angle congruent to two sides and the included angle of a second triangle |
| ASA congruence | Two angles and the included side congruent to two angle and the include side of a second triangle |
| AAS congruence | Two angles and the nonincluded side of a triangle congruent to two angles and the nonincluded side of a second triangle |
| If a triangle is equilateral, then it is also | equiangular |
| If a triangle is equiangular, then it is also | equilateral |
