THIS little book will be found very useful for the teaching of the fundamental principles of geometry to young students. The most important properties of triangles and other plane figures are ...

Some time ago (not in this century) I took plane geometry, not directly from Euclid. My teacher was Miss Helland, a wonderful teacher who also taught me solid geometry, and had the courage to take me ...

Scientists recently unveiled a new AI system that can outfox average high school students on the geometry portion of the SAT. The program answered 49% of the official SAT geometry questions correctly, ...