Subcategories of Triangles

2 Known Legs	Right Triangles (11) Altitude Median Area and Perimeter	Median, Angle Bisector, a...	Equilateral Triangles (5) Inscribed and Circumscribed Ci... Area and Perimeter
2 Known Sides and a Non-I...	Isosceles Triangles (20) Altitude Angle Bisector Area and Perimeter Inscribed and Circumscribed Ci...	2 Known Sides and the Inc...	Scalene Triangles (38) Altitude Angle Measures Inscribed and Circumscribed Ci... Area and Perimeter
Side-Side-Side (SSS) Cong...	Misc. Triangles (7) Side-Side-Side (SSS) Congruenc... Length Between Two Midpoints Side-Angle-Side (SAS) Congruen... Right Triangle Congruency