Collinear: Points are a set of

Collinear points are a set of three or more points that all lie on the same straight line. This concept is essential in geometry, coordinate geometry, and even in understanding shapes and patterns in real life. Explore the formal definitions, properties, examples, and applications of collinear points in geometry with expert insights and updated explanations for 2025. Learn all about collinear points in geometry with simple definitions, real-life examples, and step-by-step methods to prove collinearity using slope, area, and vectors. Perfect for students and math enthusiasts. Learn how to show that points are collinear using vectors, distance, or cross product. Find the formula for determining collinearity and examples of collinear and non-collinear points in 2D and 3D.