This document discusses different types of triangles categorized by their sides and angles. It identifies isosceles triangles which have at least two congruent sides, equilateral triangles which have three congruent sides, and scalene triangles which have no congruent sides. It also defines equiangular, right, acute, and obtuse triangles based on their angle measures. The purpose is to help the reader learn to identify different types of triangles that appear frequently.

1. IDENTIFYING TRIANGLES They are everywhere .

10. Identifying Triangles Triangles Sides Angles Isosceles Equilateral Scalene Equiangular Right Acute Obtuse

19. TRIANGLES Keep looking They are EVERYWHERE!