Geometry is the branch of mathematics that studies shapes, sizes, angles, and spatial relationships. This category covers fundamental and advanced topics such as points, lines, planes, polygons, circles, and 3D solids. Learners can explore concepts like area, perimeter, volume, and angle properties in structured detail. It is essential for developing spatial reasoning and visual problem-solving skills. Content includes diagrams, step-by-step explanations, solved examples, and practice exercises. This category helps students understand real-world applications in architecture, engineering, and design. It also provides a strong foundation for trigonometry and higher-level mathematics.