Octagon Has How Many Sides And Angles. A regular octagon is represented by the schläfli symbol {8}. The other more popular shapes are hexagon which has 6 sides, a pentagon which has 5 sides, a square which has 4 sides and a triangle which has 3 sides.
Thus each exterior angle is 1080/8 = 135 degrees. An octadecagon has 18 sides and 18 angles. The central angle is 45° ( a polygon has as many angles as it has sides.
Octagon is a geometrical shape which has 8 sides and 8 angles.
How many sides does a hexagon have calculate the length of the 2 sides, subtract 63 yards, the measurement of the 2 ends of the oval, from 220. Interior angles of 135° exterior angles of 45° area = 2(1+√2)s 2, or approximately 4.828427 × s 2 (where s=side length) width w = (1+√2)s; Then divide 157 by 2 to get the length of the 2 sides page 4/8 An octagon is a polygon that has eight sides.