Classroom Teaching Illustration - Teacher Explaining Geometry to Students #78619 (License: Personal Use)

A female educator in a blue dress stands beside a green chalkboard, drawing a white triangle with intersecting lines to demonstrate geometric principles. Four students-two men and two women, wearing colorful shirts-are seated in wooden chairs, facing her attentively. The illustration uses clean vector-style lines and soft shading to convey an inclusive, modern classroom environment.

This image is commonly used on educational websites, teacher training portals, or school landing pages to represent active learning, STEM instruction, or classroom engagement; it matches user intent for finding teaching resources, pedagogy examples, or stock imagery for academic content.