Star is what kind of polygon

Is a rhombus a polygon? The dual polygon of a rhombus is arectangle: A rhombus has all sides equal, while a rectanglehas all angles equal. Marthe Sieweke Pundit. Is parallelogram a polygon? One special kind of polygons is called a parallelogram. It is a quadrilateral where both pairs ofopposite sides are parallel.

Emmaline Gensle Teacher. Is rectangle a regular polygon? A regular polygon is a polygon where allof the sides and angles are the same. Therefore, a square is a regular polygon with four sides and a rectangle isnot. Andro Mukin Teacher. What is not a regular polygon? A polygon that does not have all sidesequal and all angles equal. A polygon is " regular "only when all angles are equal and all sides are equal, otherwiseit is irregular.

Genova Zarandona Teacher. Is Kite a regular polygon? Kite geometry In Euclidean geometry, a kite is a quadrilateral whose four sides can be grouped intotwo pairs of equal-length sides that are adjacent to each other. Incontrast, a parallelogram also has two pairs of equal-length sides,but they are opposite to each other rather thanadjacent. Luisina Wickenhauser Teacher. Is Trapezium a quadrilateral? Trapezium USA definition. Honorino Schutthelm Reviewer. Who invented trapezium?

The Trapezium Cluster was discovered by theItalian astronomer and mathematician Galileo Galilei, who sketchedthree of the cluster's stars, but did not see the surrounding OrionNebula. Linlin Frattini Reviewer. How do you find the number of sides in a polygon? Divide by the difference of the angle and degrees. For the example, divided by 15 equals 24, which is the number of sides of the polygon. Divide by theamount of the exterior angle to also find the number ofsides of the polygon.

Chengjun Haller Reviewer. What is not a polygon? Star polygons leave an ambiguity of interpretation for interiors. This diagram demonstrates three interpretations of a pentagram.

What is the area inside the pentagram? Each interpretation leads to a different answer. The heptagrammic prism above shows different interpretations can create very different appearances.

Builders of polyhedron models , like Magnus Wenninger , usually represent star polygon faces in the concave form, without internal edges shown. Star polygons feature prominently in art and culture. Such polygons are may or may not be regular but they are always highly symmetrical. Examples include:. Seal of Solomon interlaced hexagram , with circle and dots. Math Wiki Explore. Browse content. Register Don't have an account? Star polygon. View source. Coxeter, H. New York: Wiley, pp.

Regular Polytopes, 3rd ed. New York: Dover, pp. Regular Figures. Oxford, England: Pergamon Press, pp. Frederickson, G. New York: Cambridge University Press, pp. Gerbracht, E. Magdeburg, Germany. Savio, D. Monthly , , Steinhaus, H. Mathematical Snapshots, 3rd ed. Williams, R. New York: Dover, p. Weisstein, Eric W.