Volume ntawm lub tshuab xam zauv cuboid

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Volume laij lej

Qhov no yog lub laij lej uas suav qhov ntim ntawm ib lub cuboid, txhawb nqa metric thiab imperial units (inch, taw, yards, mm, cm lossis meter), thiab cov txiaj ntsig ntim tuaj yeem hloov mus rau qhov sib txawv, nrog rau kev suav cov mis thiab dynamic pom lub voos xwmfab, nws pab peb kom tau cov lus teb thiab nkag siab cov txiaj ntsig tau yooj yim dua.

Yuav siv lub laij lej no li cas?

  1. Muab cov lej tso rau hauv qhov khoob ntawm qhov ntev, qhov dav thiab qhov siab
  2. Txais cov lej lej lossis feem, piv txwv li. 2.6, 7.8, 4 1/2 lossis 3/5
  3. Xaiv qhov ntsuas koj siv (hauv, ft, yd, mm, cm, m)
  4. Xaiv qhov kev tshwm sim uas koj xav tau
  5. Nws yuav cia li xam cov kev tshwm sim thiab react interactively.
  6. Cov txiaj ntsig ntawm kev suav yuav raug muab sib npaug.

Yuav ua li cas xam qhov ntim ntawm ib cuboid

Cuboid yog lub thawv khoom uas nws txhua qhov chaw yog ib daim duab plaub ntawm tib cheeb tsam lossis thaj chaw sib txawv.
Lub cuboid yuav muaj qhov ntev, dav thiab qhov siab.

Volume of a cuboid = (ntev × dav × qhov siab) cubic units.

Rectangle Volume Formula

Volume = ntev × dav × qhov siab

Piv txwv suav

Nrhiav qhov ntim ntawm lub cuboid ntawm qhov ntev 14 cm × 12 cm × 8 cm.

14 × 12 × 8 cubic cm.
luas = 1344 cm.
Yog li ntawd, ntim ntawm cuboid = 1344 cubic cm.

Yog tias peb xav hloov cov chav nyob ntawm qhov ntim rau hauv cov chav sib txawv, peb tuaj yeem hloov cov chav nyob ntawm qhov ntev mus rau tib lub ntim ua ntej,
piv txwv li,
ib lub voos xwmfab muaj qhov ntev ntawm 12.5 nti, 14 hauv thiab 9.3 nti.
Qhov ntim hauv ft³ yog dab tsi?

Luas = 12.5 ÷ 12 ft = 1.042 ft
Luas = 14 ÷ 12 ft = 1.167 ft
Luas = 9.3 ÷ 12 ft = 0.775 ft
1.042 × 1.167 × 0.775 hauv = 0.94241085 ft³
Tom qab sib npaug, qhov ntim yog 0.94 hauv ft³

Kub thiab kub

Akubyog ib yam khoom zoo li lub thawv. Nws muaj rau lub ntsej muag tiaj tus thiab txhua lub kaum sab xis yog kaum sab xis. Thiab tag nrho nws lub ntsej muag yog duab plaub. Nws kuj yog ib qho prism vim nws muaj tib qhov hla ntu raws qhov ntev. Qhov tseeb nws yog ib lub prism.

Thaum tag nrho peb qhov ntev sib npaug nws hu ua akub(los yog hexahedron) thiab txhua lub ntsej muag yog square. Ib lub voos xwmfab tseem yog prism thiab kuj yog cuboid.