Classify triangles by side length: equilateral, isosceles, or scalene.
Worksheet titled "Classifying Triangles" with instructions to classify triangles based on side lengths, featuring four triangles with labeled side lengths (6, 7, 11; 5, 5, 5; 9, 10, 13; 8, 8, 9) and definitions for equilateral, isosceles, and scalene triangles.