Mathematics and architecture are related, since architecture, like some other arts, uses mathematics for several reasons. Apart from the mathematics needed when engineering buildings, architects use g
"The Gherkin", 30 St Mary Axe, London, completed 2003, is a parametrically designed solid of revolution.
Detail of Kandariya Mahadeva Temple (c. 1030), Khajuraho, India, showing religious architecture with a fractal-like structure of many parts that resemble the whole.
In the Renaissance, an architect like Leon Battista Alberti was expected to be knowledgeable in many disciplines, including arithmetic and geometry.
Plan of a Greek house by Vitruvius
A special right triangle is a right triangle with some notable feature that makes calculations on the triangle easier, or for which simple formulas exist.
Set square shaped as 45°–45°–90° triangle
Set square, shaped as 30°–60°–90° triangle