Octagon Has How Many Sides And Angles. A polygon has as many angles as it has sides. The central angle is 45° ( a polygon has as many angles as it has sides.
A short line in the middle of each side of a shape means that the sides are all the same length. How many sides does an octagon have? Each angle has 135 degrees.
We have already talked about making houses in an octagonal shape and, sticking with buildings, octagons are particularly popular when it comes to flooring, mostly in the form of octagon tiles.
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 octagon is a polygon with eight sides and eight angles and a pentagon is a polygon with five sides and five angles. 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;
