Changes
/* Types of triangles */ obtuse
|<!--col2-->[[Image:Isoscles-triangle.png|150px]]
|<!--col3-->[[Image:Equilateral-triangle.png|150px]]
|<!--col4-->[[Image:Obtuse-triangle.jpgpng|150px]]
|-
|<!--col1-->Right Triangle
|<!--col4--><math>\angle ACB > 90^\circ</math>
|}<!--end wikitable-->
==Congruence of triangles==
