A nonagon yog ib lub voj voog ua los ntawm 9 sab thiab 9 lub kaum ntse ntse. Nona=Nona + gon qhov Nona txhais tau tias cuaj thiab gon txhais tau tias sab.
Puas muaj pes tsawg qib hauv 9 sab polygon?
Zoo heev! Yog li lub kaum sab hauv ntawm 9-sided polygon yog 140 °.
Yuav ua li cas yog 9 sab ib txwm polygon hu ua?
10000000000000000 daim duab hu li cas? pentagon (5-gon), dodecagon (12-gon) los yog icosagon (20-gon) - nrog rau daim duab peb sab, quadrilateral thiab nonagon (9-gon) yog qhov tshwj xeeb.
13 sab zoo li cas hu ua?
A 13-sided polygon, qee zaum kuj hu ua triskaidecagon.
Yuav ua li cas yog 15 sab polygon hu ua?
In geometry, ib pentadecagon lossis pentakaidecagon lossis 15-gon yog kaum tsib-sided polygon.