Math Polygon Shape Names

120 heptagon or septagon 7.

Math polygon shape names.

144 hendecagon or undecagon 11. 135 nonagon or enneagon 9. A quadrilateral has four sides so i think of a quad cycle which is a vehicle with four wheels. Tetragon quadrilateral rectangle parallelogram square rhombus.

A triangle has three sides. 60 quadrilateral or tetragon 4. A pentagon has 5 sides. If it is a regular polygon.

Name sides shape interior angle. Think of a tricycle with three wheels. The word polygon comes from late latin polygōnum a noun from greek πολύγωνον. Let s go through the first ten polygons and some tricks for memorizing each plane shape.

In geometry a polygon is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain these segments are called its edges or sides and the points where two of the edges meet are the polygon s vertices singular.