...by straight lines is called a polygon. A five-sided polygon is called a pentagon ; one of six sides, a hexagon; of seven, a heptagon, of eight, an octagon; of nine, a nonagon; of ten, a decagon ; etc. A regular polygon is one that is both equilateral and equiangular. 61. Inscribe a regular pentagon...

...four are F'S- 39denominated only by the number of sides. POLYGON— A polygon of five sides is called a Pentagon; of six, a Hexagon ; of seven, a Heptagon ; of eight, an Octagon ; of nine, a Nonagon, etc. Diagonals of a polygon are lines joining the vertices of angles not adjacent. The Perimeter of...

...by straight lines is called a polygon. A five-sided polygon is called a pentagon ; one of six sides, a hexagon; of seven, a heptagon; of eight, an octagon; of nine, a nonagou; of ten, a decagon ; etc. A regular polygon is one that is both equilateral and equiangular....

...polygon is one whose sides are equal. Polygons are named according to the number of their sides; one of three sides is a triangle; of four, a quadrilateral; of five, a pentagon; of six a hexagon; and so on. The following diagrams represent regular polygons: POLYGONS 7\ <DC Square. Hexagon. Octagon....

...polygon is called the angle at the center. It is equal to 360° divided by the number of sides. Fig. 30. A polygon of three sides is a triangle; of four, a quadrilateral; Fl G . 19 of five, a pentagon; of six, a hexagon; of seven, a heptagon; of eight, an octagon; of nine,...