Sisagon: Difference between revisions

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==Meter==
Moyun gono de pinpanpimpan sisagon hare 120° ji oto maxuscu cel 720°.
 
===Peryaje===
Peryaje de pinpanpimpan sisagon har comenli lungoje ''a'' is:
:<math>\text{A} = \frac{3\sqrt{3}}{2}a^2.</math>