This is the Trygonometria icon for Windows 10. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.
It is a right triangle with the base on the bottom and a perpendicular side on the right. There is a square in the bottom-right corner, indicating that it is a right triangle. There is an arc between the hypotenuse and the bottom base, near the bottom-left corner. Each of the 3 corners has a small dot on it.