In 1979, Hounsfield won the Nobel Prize in Physiology or Medicine for his role in the development of computer-assisted ...

An equilateral triangle has 3 sides of equal length. ... The interior angle and its corresponding exterior angle always add up to 180°. The sum of interior angles in a triangle.

Henry Dudeney, a self-taught English mathematician and puzzle columnist, asked his readers to dissect an equilateral triangle into the smallest number of pieces that could be rearranged into a square.

An equilateral triangle has 3 sides of equal length. ... The interior angle and its corresponding exterior angle always add up to 180°. The sum of interior angles in a triangle.