### Math Monday: Readers Respond – Kite Math

by Glen Whitney

Math Mondays has been accumulating a lot of mail from all you fellow makers out there with a mathematical bent so today’s installment marks the beginning of a series (the length of which depends on how much more mail you all send) based on readers’ responses to earlier columns. We’re going to start with photos sent by Terry Thillman in response to Geometry Takes Flight; Terry built all of the kites pictured below. Although the word “kite” when used as a mathematical term for a particular sort of shape means “a quadrilateral with two pairs of adjacent equal edges,” Terry wanted to re-emphasize the fact that a kite does not have to be a kite, so to speak. The first example is a kite called “Oops” which is made from six scalene triangles, no two sides the same length:

This article first appeared on Make: Online, June 17, 2013.