# Quadrilateral with Symmetry

## Description

Illustration of a quadrilateral which has two adjacent sides equal and the other two sides equal. It is symmetrical with respect to the diagonal joining the vertices of the angles formed by the equal sides, and the diagonals are perpendicular to each other.

## Keywords

4 sides, axis of symmetry, equal sides, four, kite, line, lines, quadrilateral, side, straight, Symmetrical

## Galleries

## Source:

G.A. Wentworth *Plane And Solid Geometry* (Boston: Ginn & Company, 1899) 61

Courtesy the private collection of Roy Winkelman