Artwork based on the 3-4-5 triangle and its excircles. (Courtesy: Eugen Jost/Princeton University Press) “In science, one plus one is always two; in art it can also be three or more.” This quotation ...

After a high school graduate stumped Gov. Jeb Bush last week on a geometry question she claimed was on the Florida Comprehensive Assessment Test, the Florida Department of Education assigned itself ...

Pythagoras’s theorem says that for any right-angled triangle, the square of the hypotenuse (the longest side of the triangle) is equal to the sum of the squares of the other two sides. I have drawn a ...