TBC
Dec 15, 2008, 07:02 PM
If a shape of pool will be octagon and perimeter is 480 feet and height is 5feet what's the surface area and volume?
galactus
Dec 16, 2008, 01:01 PM
The area of an octagon, can be gotten from the formula
A=2\sqrt{2}r^{2}. Where r is the length from the center of a vertex.
Use a little trig to find r from your given side length of 60, plug it in and you're set.
Check out this site for a nice tutorial on the matter:
http://www.mathwords.com/a/area_regular_polygon.htm
dgre1082
May 30, 2010, 11:34 PM
In octagon sides are 3.20 m long. What the surface area