Ib cheeb tsam polygonal txhais tau tias yog a polygon thiab nws sab hauvQhov ib puag ncig ntawm ib lub polygon yog qhov nyob ib ncig ntawm daim duab. Lub cheeb tsam ntawm ib cheeb tsam polygonal yog ntsuas nyob rau hauv square units. Rau txhua cheeb tsam polygonal, muaj tus lej zoo tshwj xeeb hu ua thaj tsam ntawm cheeb tsam.
Yuav ua li cas polygonal sau cov hauv paus?
Base of the Polygon
Muaj the polygon "sits" sab hauv qab yog ib txwmpaub tias yog lub hauv paus. Daim duab peb sab tseem hu ua polygon. Peb sab polygon hu ua daim duab peb sab. Peb tuaj yeem hais tias ib sab ntawm daim duab peb sab yog lub hauv paus ntawm daim duab peb sab.
Lub hauv paus hauv polygons yog dab tsi?
Nyob rau hauv geometry, lub hauv paus yog ib sab ntawm ib tug polygon los yog ib lub ntsej muag ntawm ib tug polyhedron, tshwj xeeb tshaj yog ib tug oriented perpendicular rau cov kev taw qhia nyob rau hauv qhov siab ntsuas, los yog nyob rau hauv dab tsi yog. suav tias yog "hauv qab" ntawm daim duab.
Yuav ua li cas koj pom thaj tsam ntawm lub polygon?
Cov mis los xam thaj tsam ntawm ib tug tsis tu ncua polygon yog, Area=(tus naj npawb ntawm sab × ntev ntawm ib sab × apothem)/2, qhov twg tus nqi ntawm apothem tuaj yeem suav nrog cov qauv, Apothem=[(ntev ntawm ib sab)/{2 ×(tan(180/number of side))}].
Yuav ua li cas yog lub cheeb tsam polygonal lej?
(ˈpɒlɪˌɡɒn) n. (Mathematics) a kaw dav hlau daim duab bounded los ntawm peb los yog ntau tshaj sab ncaj uas sib ntsib nyob rau hauv khub nyob rau hauv tib tus naj npawb ntawm vertices, thiab tsis txhob sib tshuam lwm yam tshaj li ntawm cov vertices.
