A 32-sided polygon. The regular icosidodecagon is a constructible polygon, and the regular icosidodecahedron of side length 1 has inradius 
, circumradius 
, and area 
, circumradius , and area  |  | ![1/2[1+sqrt(2)+sqrt(2(2+sqrt(2)))+sqrt(2(2+sqrt(2))(2+sqrt(2+sqrt(2))))]](http://mathworld.wolfram.com/images/equations/Icosidodecagon/Inline6.gif) |
(1)
|
 |  | ![[1/2(2+sqrt(2))(2+sqrt(2+sqrt(2)))×(2+sqrt(2+sqrt(2+sqrt(2))))]^(1/2)](http://mathworld.wolfram.com/images/equations/Icosidodecagon/Inline9.gif) |
(2)
|
 |  | ![8[1+sqrt(2)+sqrt(2(2+sqrt(2)))+sqrt(2(2+sqrt(2))(2+sqrt(2+sqrt(2))))].](http://mathworld.wolfram.com/images/equations/Icosidodecagon/Inline12.gif) |
(3)
|
Showing posts with label geometry. Show all posts
Showing posts with label geometry. Show all posts
13.6.12
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