72 units (9 x 8 = 72)
The perimeter is 72.
8 sides each 9 inches: 6 feet
It is 72 cm/8 = 9 cm.
The length of one side of an octagon, if the perimeter is 6 feet, is 9 inches.
A regular nonagon has 9 sides and so its perimeter is 9*40 = 36 units of measurement
9
It is: 162/9 = 18cm
9 units
9 centimetres,as 54/6 is 9
21*9 = 189 feet.
Area of a regular polygon = 1/2(apothem)(perimeter) 2025 = 1/2(25)(perimeter), so the perimeter = 2025 divided by 25/2. Perimeter = 162 Side length = 162/9 Side length = 18
Hexagon means six sides. Regular means six EQUAL sides. If one side is 9, then the whole thing has a perimeter of 9 x 6 = 54 units. Area would be more complicated. ^_^