Triangle sushi is a rice ball, also known as onigiri, that’s shaped into the form of a triangle. Although onigiri can be made into various shapes, triangle-shaped onigiri is typically the most common.

A new proof breaks a decades-long drought of progress on the problem of estimating the size of triangles created by cramming points into a square. Consider a square with a bunch of points inside. Take ...

Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...

Two's company. Three's a crowd. But when the three is a drama-invoking love triangle that keeps you on your toes? Yes, please. Love triangles have been a cinematic go-to since the era of silent film.

Do you think there’s a triangle whose angles measure 41, 76 and 63 degrees? At first, answering this may seem easy. From geometry class we know that the sum of the measures of the interior angles of a ...

Design Squad is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

The Teaching Triangles program provides faculty with an opportunity to gain new insight into their teaching and students’ learning through a non-evaluative, formative process of reciprocal classroom ...

In which we embark on a quest to forge a precise triangle wave, and use that to help set a gold standard for fake sine waves. How well will we fare? A while ago, I needed (or wanted) a pocket-sized ...