Kev sib raug zoo ntawm cheeb tsam thiab ib puag ncig ntawm ib lub square yog qhov perimeter yog 4 npaug ntawm lub hauv paus square ntawm cheeb tsam. Txhawm rau kom tau txais ib puag ncig los ntawm cheeb tsam rau ib square, sib npaug cov hauv paus plaub ntawm cheeb tsam lub sijhawm 4 . Ib puag ncig ib txwm ntsuas hauv cov kab tawm, uas yog muab los ntawm thaj tsam cov cheeb tsam ib cheeb tsam.
Ib yam li ntawd, koj ua li cas xam perimeter los ntawm square feet? Lub perimeter yuav yog 2 x ib yam + 2 npaug ntawm lwm yam. Cia peb hais tias thaj tsam ntawm daim duab plaub yog 96 square feet. Tom qab ntawd cov duab plaub tuaj yeem yog 8' x 12', yog li lub cheeb tsam yuav yog 2 x 8' + 2 x 12', lossis 40'. Tab sis, daim duab plaub kuj tuaj yeem yog 6' x 16', yog li lub cheeb tsam yuav yog 44.
Yuav ua li cas hloov perimeter mus square meters? Luas = 4 x 15 m. P = 60 m. Piv txwv 6: Nrhiav ib puag ncig ntawm lub square, nws sab ntev yog 9.2 meters. Luas = 36.8 m²
Lub cheeb tsam ntawm 1 square feet yog dab tsi? Txij li thaum lub square muaj tag nrho cov sab tib qhov ntev, lub perimeter (qhov kev ncua deb nyob ib ncig ntawm sab nraud ntawm ib yam khoom) yog plaub npaug ntawm sab ntev (cia peb hu qhov no s). Koj paub tias lub perimeter yog 12 nti (ib ko taw), yog li yog tias peb faib los ntawm plaub, peb tau txais txhua sab yog ntev 3 ntiv tes.
Thib ob Koj ua li cas xam ib puag ncig? Ib daim duab plaub muaj ob qhov sib npaug ntev thiab ob qhov dav sib npaug. Yuav kom nrhiav tau lub perimeter, los yog nyob ib ncig ntawm lub duab plaub, peb xav tau ntxiv rau tag nrho plaub sab lengths. Qhov no tuaj yeem ua tau zoo los ntawm kev ntxiv qhov ntev thiab qhov dav, thiab tom qab ntawd muab cov lej no los ntawm ob vim tias muaj ob ntawm txhua sab ntev.
Lub cheeb tsam ntawm 24 square feet yog dab tsi?
hauv Civil Engineering. Kev ua lej ua rau ib tus neeg lub hlwb ua haujlwm. Perimeter ntawm luas = 24. Luas = 24/4 = 6.
ces Dab tsi yog qhov perimeter ntawm 20 square feet? Ib yam li ib daim duab plaub nrog qhov ntev 5 feet thiab 4 ko taw muaj thaj tsam 20 square feet thiab perimeter 5 + 4 + 5 + 4 = 18 taw.
Puas yog perimeter tib yam li square feet? Yog tias qhov ntev ntawm ib sab yog 576 ntiv tes, nws thaj tsam yog 4 x 576 ntiv tes = 2,304 ntiv tes. Tam sim no 288 ntiv tes sib npaug 48 ko taw, yog li lub square cheeb tsam yog 48 x 48 square feet = 2,304 square feet. Peb twb tau pom zoo tias peb yuav tsum tau tso tseg, yog li peb muaj thaj tsam ntawm 2,304 thiab thaj tsam ntawm 2,304.
Yuav ua li cas koj pom qhov ploj lawm ntev ntawm ib square?
Lub cheeb tsam ntawm 1600 square feet yog dab tsi? Luas = 1600 m² Luas = √1600 = 40 m. Lub square muaj plaub sab perimeter P, ntawm lub square yog 4a . Luas = 4 x 40 m
Yuav ua li cas koj thiaj paub qhov perimeter ntawm ib tug duab?
Qhov ib puag ncig ntawm cov duab yog ib txwm xam los ntawm kev ntxiv qhov ntev ntawm txhua sab. Hauv Xyoo 5 thiab 6, cov menyuam yaus yuav raug muab cov duab zoo li no thiab nug kom pom lawv qhov chaw ib puag ncig: Hauv qhov no, lawv yuav tsum tau ua haujlwm tawm qhov ntev ntawm cov npoo uas tsis muaj npe, los ntawm kev saib lwm cov ntawv sau.
Yuav ua li cas koj nrhiav tau ib puag ncig ntawm Xyoo 6? Perimeter yog qhov kev ncua deb nyob ib ncig ntawm cov npoo sab nraud ntawm cov duab. Txhawm rau ua qhov no, koj ntxiv tag nrho qhov ntev ntawm sab. Cheeb Tsam yog qhov chaw nyob rau hauv cov duab, qhov chaw ntawm 2D duab yuav siv li cas los ntsuas nyob rau hauv cm² los yog m². Rau cov duab, qhov no yog xam los ntawm muab qhov ntev los ntawm qhov dav.
Daim duab twg muaj ib puag ncig ntawm 34 ko taw?
lub perimeter ntawm duab plaub yog 34 ko taw thiab nws cheeb tsam yog 30 square feet.
Lub cheeb tsam ntawm 64 square feet yog dab tsi?
Lub cheeb tsam ntawm lub square nyob rau hauv qhov teeb meem yog 32 units.
Lub cheeb tsam ntawm 400 square feet yog dab tsi? Muab los ntawm plaub. Yog tias 400 yog thaj tsam ntawm ib lub xwmfab, ces lub cheeb tsam ntawm lub square yog dab tsi? Yog tias 400 yog thaj tsam ntawm lub square, ces sab ntev ntawm lub square yuav tsum yog lub hauv paus square ntawm 400, los yog 20. Muab 20 los ntawm 4 sab muab 80 raws li lub cheeb tsam ntawm lub square.
Lub cheeb tsam ntawm 500 square feet yog dab tsi? Koj xav tau qhov ntev ntawm chav tsev tsis yog thaj chaw xwb. Piv txwv li, ib chav tsev uas yog 25 × 20 muaj thaj tsam ntawm 500 sq. Lwm chav uas yog 90 × 10 kuj muaj thaj tsam ntawm 50 sq ft tab sis nws thaj tsam yog 500 ko taw. Nyob rau hauv dav dav, lub perimeter ntawm ib chav yuav sib npaug zos rau 2 L + 2 W.
Koj pom qhov ntev thiab qhov dav li cas yog tias koj muaj cheeb tsam thiab ib puag ncig?
Lub square ntawm 289 yog dab tsi? Lub hauv paus square ntawm 289 yog 17.
Muaj pes tsawg sab muaj square?
square | |
---|---|
hom | Polygon li niaj zaus |
Ntug thiab taw qhia | 4 |
Schläfli cov cim | {4. |
Coxeter-Dynkin daim duab |
Lub cheeb tsam ntawm 2000 square feet yog dab tsi? Luas = 2000 m² ft. Luas = 60+40+20+20+20+20+20+40 240 ft.
Qhov ib puag ncig ntawm daim duab B yog dab tsi?
Teb: Qhov ib puag ncig ntawm cov duab ob sab yog qhov deb nyob ib ncig ntawm cov duab. Nws pom tau los ntawm kev ntxiv tag nrho cov sab (tsuas yog lawv tag nrho tib lub tsev).
Yuav ua li cas koj nrhiav tau lub perimeter ntawm ib daim duab plaub yog tias koj paub thaj chaw? Perimeter ntawm ib daim duab plaub
- Nco ntsoov cov qauv rau ib puag ncig thiab thaj tsam ntawm ib daim duab plaub. Qhov cheeb tsam ntawm ib daim duab plaub yog a = ntev * dav, thaum lub perimeter yog p = (2 * ntev) + (2 * dav)
- Hloov cov nqi paub rau hauv cov qauv hauv cheeb tsam. 36 = 4x w. …
- Hloov cov nqi rau qhov ntev thiab qhov dav rau hauv cov qauv perimeter.