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 ...

Titch could not be more excited about a trip to the seaside with her uncle Ted. However, Ted is a bit worried, as he has promised to help Titch to learn about geometry and he is not really sure what ...

THIS is the fourth edition of a book which has been received with warm approval by English and Continental geometers. The first eight sections present no notable changes from the corresponding ...