You can ask Google geometry related questions and it will solve them for you, such as [perimeter of a trapezoid]: As Alex Chitu notes, you can also […] ...

Mathematically, pi is less a child of geometry than an early ancestor of calculus, the branch of mathematics, devised in the 17th century, that deals with anything that curves, moves or changes ...

Geometry is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space ...

Eighteenth-century mathematician William Jones had a problem with pi—namely, it didn’t exist yet. At the time of his working and teaching in the field of mathematics, there was no term for the ...

It's March 14, or in American notation, 3/14, matching the first three digits of π. One of the fundamental constants of mathematics, π, is the ratio of a circle's circumference to its diameter.