Rectangle Geometry Diagram - Sides, Diagonal, and Pythagorean Theorem Visualization #1994624 (License: Personal Use)

This diagram depicts rectangle ABCD with horizontal sides AB and CD labeled length a, vertical sides AD and BC labeled length b, and diagonal AC marked as d. The dashed diagonal demonstrates how the Pythagorean theorem applies: d² = a² + b². It’s a foundational visual for geometry lessons on right triangles and quadrilateral properties.

Used in educational math content, textbooks, or online tutorials explaining rectangle properties, diagonals, and the Pythagorean theorem; targets students, teachers, and self-learners seeking geometric intuition.