Learn about three trigonometric ratios in similar right-angled triangles with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

These days, anyone who’s ever perused The New York Times dining section or seen a James Beard Award nomination form has heard that the Triangle is the Southern Part of Foodie Heaven. But some ...

The squares and triangles in the mathematics collections were made between the 17th and 20th centuries in France, the United States, Japan, and Italy. They were made of brass, steel, aluminum, wood, ...