Subcategories of Triangles

2 Known Legs	Right Triangles (11) Angle Measures Angle Bisector Area and Perimeter	Area and Perimeter of an ...	Equilateral Triangles (5) Area and Perimeter Inscribed and Circumscribed Ci...
3 Known Sides	Isosceles Triangles (20) Area and Perimeter Angle Measures Median Altitude	Known Equations	Scalene Triangles (38) Inscribed and Circumscribed Ci... Angle Measures Altitude Area and Perimeter
Triangle Joining Three Ta...	Misc. Triangles (7) Triangle Joining Three Tangent... Triangle Tangent to Three Tang... Midpoint Triangle Length Between Two Midpoints