Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene, obtuse, right ...

Today’s two questions test your geometrical smarts. The first is about a triangle, the second about a square. 1. Tricky triangle This one was sent in by a reader, aged 85, who first saw it in 1960. He ...

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, ...