Duadesgon: Difference between revisions

 
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[[File:Regular icosagon.svg|right|150px]]
'''Duadesgon''' or '''20gon''' issen figura har 20 gono ji 20 comen.
 
== Meter ==
Moyun gono de pinpanpimpan duadesgon hare 162° ji oto maxuscu cel 3240°.<ref>[https://en.wikipedia.org/wiki/Icosagon "Icosagon"] (fein [[Englisa]]). ''Wikipedia''.</ref>
 
=== Peryaje ===
Peryaje de pinpanpimpan duadesgon har comenli lungoje ''a'':
 
:<math>\text{Peryaje} = 5a^2(1 + \sqrt{5} + \sqrt{5 + 2\sqrt{5}}).</math>
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== OfatalarMambalari ==
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