Limagon

Limagon is figura har lima gono ji lima comen.

Meter
Moyun gono de pinpan limagon is 135° ji oto maxusgi cel 1080°.

Zona
Zona de pinpan limagon har comenli lungoya a is:
 * $$\text{A} = \frac{1}{4}\sqrt{5(5+2\sqrt{5})}a^2.$$