Such a triangle has a fixed aspect ratio a ⁄ c. If both a and c are rational numbers, the lengths of the sides of the triangle can be chosen so that a and c each correspond to the smallest ...

Written inside the triangle: equal lengths. The two equal sides and hash marks are coloured orange. , Hash marks are used to show edges that are equal in length.

Any triangle close triangleA three-sided polygon. can be shown to be half of a rectangle close rectangleA quadrilateral with opposite pairs of sides that are both equal in length and parallel. All ...