Koj Pom Qhov Cheeb Tsam Ntawm Ib Hemisphere li cas?
- Tag nrho thaj chaw ntawm ib hemisphere=3πr2
- Cov cheeb tsam nkhaus ntawm ib hemisphere=2πr2
- Tag nrho qhov chaw ntawm lub hollow hemisphere=2π (r2 r 2 2 + r1 r 1 2) + π(r2 r 2 2 – r1 r 1 2) (or) 3 π r2 r 2 2 + π r1 r 1 2
Dab tsi yog hemisphere thiab nws cov qauv?
Raws li lub Hemisphere yog ib nrab ntawm ib tug kheej kheej, yog li ntawd, qhov nkhaus saum npoo kuj yog ib nrab ntawm tus kheej. Curved deg cheeb tsam ntawm hemisphere =1/2 (4 π r 2)=2 π r2.
Koj pom qhov hemisphere li cas?
Qhov ntim ntawm ib hemisphere ntawm qee lub vojvoog tuaj yeem pom tau yooj yim los ntawm kev suav tsuas yog ib nrab ntawm qhov ntim ntawm ib lub kheej kheej ntawm tib lub vojvoog. Volume of hemisphere=2πr3/3, qhov twg r yog lub vojvoog ntawm lub hemisphere. Tam sim no xav tias lub vojvoog ntawm ib lub kheej kheej yog r.
4 hemispheres yog dab tsi?
Txhua lub voj voog ncig lub ntiaj teb faib ua ob qho sib npaug hu ua hemispheres. Muaj feem ntau suav tias yog plaub hemispheres: Northern, Southern, Eastern, thiab Western. Lub Equator, los yog kab ntawm 0 degrees latitude, faib lub ntiaj teb mus rau sab qaum teb thiab yav qab teb hemispheres.
Qhov siab ntawm hemisphere yog dab tsi?
Rebekah, qhov siab ntawm hemisphere yog nws lub vojvoog . Qhov ntim ntawm ib puag ncig yog 4/3 π r 3. Yog li qhov ntim ntawm hemisphere yog ib nrab ntawm qhov ntawd: V=(2 / 3) π r 3.
