Quadrilateral and equiangular
1Tangential quadrilateral — An example of a tangential quadrilateral In Euclidean geometry, a tangential quadrilateral or circumscribed quadrilateral is a convex quadrilateral whose sides all lie tangent to a single circle inscribed within the quadrilateral. This circle is… …
2square — I. a. 1. Quadrilateral and equiangular. 2. Perpendicular, making a right angle. 3. Just, honest, fair, equitable, upright, exact, equal. 4. Adjusted, balanced, settled, even. 5. True, just, exactly suitable. 6. Hearty. II …
3Rectangle — Family Orthotope Type Quadrilateral Edges and vertices 4 Schläfli symbol {}x{} …
4Polygon — For other uses, see Polygon (disambiguation). Some polygons of different kinds In geometry a polygon (   …
5polygon — polygonal /peuh lig euh nl/, adj. polygonally, adv. /pol ee gon /, n. a figure, esp. a closed plane figure, having three or more, usually straight, sides. See illus. under heptagon, hexagon, octagon, pentagon, quadrilateral, triangle …
6square — squarable, adj. squarelike, adj. squareness, n. squarer, n. /skwair/, n., v., squared, squaring, adj., squarer, squarest, adv. n. 1. a rectangle having all four sides of equal length …
7Kite (geometry) — Kite A kite showing its equal sides and its inscribed circle. Type Quadrilateral Edges and vertices 4 Symmetry group D1 (*) In Euclid …
8Circumscribed circle — Circumscribed circle, C, and circumcenter, O, of a cyclic polygon, P In geometry, the circumscribed circle or circumcircle of a polygon is a circle which passes through all the vertices of the polygon. The center of this circle is called the… …
9Equilateral polygon — In geometry, an equilateral polygon is a polygon which has all sides of the same length. For instance, an equilateral triangle is a triangle of equal edge lengths. All equilateral triangles are similar to each other, and have 60 degree internal… …
