Sisagon

Sisagon is figura har sisa gono ji sisa comen.

Meter

Moyun gono de pinpan sisagon hare 120° ji oto maxuscu cel 720°.

Peryaje

Peryaje de pinpan sisagon har comenli lungoje a is:

${\text{A}}={\frac {3{\sqrt {3}}}{2}}a^{2}.$

Misal

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