Cov chav nyob ntawm thaj tsam ntawm ib lub duab plaub yog tib yam li nws qhov ntev uas feem ntau muab hauv meters, centimeters, ntiv tes, lossis yards. Lub perimeter yog sib npaug rau ciam teb ntawm cov duab plaub uas suav nrog cov qauv: Perimeter=Length + Length + Dav + Dav=2(Length + Dav).
Lxwxh ib puag ncig?
Perimeter yog 1-dimensional thiab ntsuas hauv kab kab xws li ntiv tes, taw lossis ntsuas. Thaj chaw yog 2-dimensional: nws muaj qhov ntev thiab dav.
Puas perimeter txhais qhov ntev?
Perimeter yog qhov kev ncua deb ib ncig ntawm ob sab duab, ntsuas qhov kev ncua deb ntawm ib yam dab tsi; qhov ntev ntawm tus ciam teb.
piv txwv perimeter yog dab tsi?
Tus perimeter yog qhov kev ncua deb ntawm qhov khoom. Piv txwv li, koj lub tsev muaj laj kab laj kab. Lub perimeter yog qhov ntev ntawm lub laj kab. Yog hais tias lub vaj yog 50 ft × 50 ft koj lub laj kab yog 200 ft ntev.
Daim duab twg muaj ib puag ncig qis tshaj?
Ntawm tag nrho cov duab nrog tib cheeb tsam, ib lub voj voog muaj qhov luv tshaj plaws.
