What is a Triangle? A triangle is a polygon with three sides, three angles, and three vertices. It's the simplest polygon you can create. Parts of a Triangle Sides: The three line segments that form the triangle. Angles: The three interior angles formed by the intersection of the sides. Vertices: The points where the sides meet. Types of Triangles Triangles can be classified based on their sides or angles: Based on Sides Equilateral triangle: All three sides are equal in length. Isosceles triangle: Two sides are equal in length. Scalene triangle: All three sides have different lengths. 1. www.rfcafe.com www.rfcafe.com Based on Angles Acute triangle: All angles are less than 90 degrees. Right triangle: One angle is exactly 90 degrees. Obtuse triangle: One angle is greater than 90 degrees. 1. www.numerade.com www.numerade.com Examples of Triangles in Real Life Triangles are found everywhere around us. Here are some examples: Traffic signs: ...