Video: Puas yog tus polygon yog ib daim duab zoo?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Tsis zoo li dav hlau cov duab , cov duab khov tsis tiaj tus; lawv muaj peb qhov ntev. Ib txhia cov duab khov muaj qhov nkhaus; lawv tuaj yeem yob. Nco ntsoov tias lub khob hliav qab thiab lub tog raj kheej muaj ob qho tib si nkhaus thiab tiaj tus. Tej ntsej muag cov duab khov yog polygons.
Xav txog qhov no, puas yog polygon ib daim duab dav hlau?
Ib qho puab uas tuaj yeem kos rau hauv dav hlau npe a dav hlau daim duab . A puab nrog tsuas yog sab ncaj li cov npoo yog hu ua a polygon (POL-ee-gone). Polygons yuav tsum muaj tsawg kawg yog peb sab, yog li cov polygons nrog tsawg tshaj plaws ntawm sab yog daim duab peb sab. Txawm li cas los xij, daim duab peb sab sib npaug ib txwm yog ob qho tib si (saib hauv qab).
Ib yam li ntawd, Pentagon puas yog lub dav hlau zoo lossis cov duab zoo? Piv txwv li, ntau dav hlau duab yog polygons, lossis ib qho 2-dimensional puab nrog rau sab ncaj los yog kab uas kaw thiab tsis muaj qhib sab. Yog lawm; daim duab peb sab, duab plaub pob zeb diamond, hnub, pentagon , thiab square yog tag nrho cov polygons.
Tom qab ntawd, ib tug kuj yuav nug, daim duab twg yog ib tug polygon?
Ib tug polygon yog ib qho 2-dimensional duab tsim nrog kab ncaj . Daim duab peb sab, quadrilaterals, pentagons , thiab hexagons yog tag nrho cov piv txwv ntawm polygons. Lub npe qhia koj tias muaj pes tsawg sab ntawm cov duab. Piv txwv li, ib daim duab peb sab muaj peb sab, thiab a quadrilateral muaj plaub sab.
Dab tsi yog daim duab zoo nrog lub ntsej muag uas yog polygons?
Ib tug polyhedron yog ib Cov duab zoo nrog lub ntsej muag uas yog polygons (daim duab peb sab, duab plaub,) Daim duab peb sab Prism. Rectangular Prism Cov.
Pom zoo:
Puas yog txhua tus polygon zoo sib xws?
Rau ob qho tib si polygons nrog tib tus lej ntawm sab: Lawv ib txwm zoo sib xws. Txij li thaum lawv muaj ob sab tag nrho cov ntev tib yam lawv yuav tsum yeej ib txwm nyob rau hauv tib proportions, thiab lawv sab hauv cov ces kaum yeej ib txwm zoo ib yam, thiab yog li ntawd yeej ib txwm zoo sib xws
Vim li cas nws thiaj li hais tias lub Orthocenter ntawm daim duab peb sab obtuse yuav tsum nyob rau sab nraud ntawm daim duab peb sab?
Nws hloov tawm tias tag nrho peb qhov siab ib txwm sib tshuam ntawm tib lub ntsiab lus - lub npe hu ua orthocenter ntawm daim duab peb sab. Lub orthocenter tsis yog ib txwm nyob hauv daim duab peb sab. Yog tias daim duab peb sab yog obtuse, nws yuav nyob sab nraud. Txhawm rau ua kom qhov no tshwm sim cov kab qhov siab yuav tsum tau txuas ntxiv kom lawv hla
Dab tsi yog qhov txawv ntawm daim duab thiab daim duab?
Ib daim duab yog ib daim duab ntawm kev ua lej, tab sis kuj siv tau (loos) txog ib daim duab ntawm cov ntaub ntawv txheeb cais.A daim duab yog ib daim duab sawv cev ntawm cov ntaub ntawv, qhov twg ib kab ntawv yog ib daim ntawv
Qhov kev hloov pauv twg yuav hloov daim duab A rau hauv daim duab B?
Ob daim duab tau hais tias yuav sib haum xeeb yog tias ib tus tuaj yeem tau txais los ntawm lwm tus los ntawm ib ntu ntawm kev txhais lus, kev xav, thiab kev sib hloov. Cov duab sib xws muaj qhov loj thiab zoo tib yam. Txhawm rau hloov daim duab A rau hauv daim duab B, koj yuav tsum xav txog nws hla y-axis thiab txhais ib chav nyob rau sab laug
Dab tsi yog qhov txawv ntawm lub xeev daim duab kos duab thiab daim duab ua haujlwm?
Lub xeev daim duab qauv yog siv los qhia qhov sib lawv liag ntawm lub xeev uas ib yam khoom mus dhau, qhov ua rau kev hloov ntawm ib lub xeev mus rau lwm qhov thiab qhov kev txiav txim uas tshwm sim los ntawm lub xeev hloov. Daim duab ua haujlwm yog ntws ntawm kev ua haujlwm yam tsis muaj qhov tshwm sim (kev tshwm sim) mechanism, lub xeev tshuab yog suav nrog lub xeev triggered