Koj pom lub hemisphere li cas?
Koj pom lub hemisphere li cas?

Video: Koj pom lub hemisphere li cas?

Video: Koj pom lub hemisphere li cas?
Video: Vim li cas koj lub neej thiaj li tsis txawj muaj nyiaj yog ua cas? ( How to Change your life) 2024, Kaum ib hlis
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Kev txiav txim siab txawm koj nyob Northern los Southern Hemisphere yog ib qho yooj yim-tsuas nug koj tus kheej yog tias txoj kab nruab nrab yog sab qaum teb lossis sab qab teb ntawm koj txoj haujlwm. Qhov no qhia koj qhov longitudinal hemisphere vim Northern Hemisphere thiab Southern Hemisphere muab faib los ntawm txoj kab nruab nrab.

Dhau li ntawm no, dab tsi yog tus qauv rau ib hemisphere?

Nyob zoo Nicholas, thaj tsam ntawm ib puag ncig ntawm lub vojvoog r yog 4 π r2. Ib nrab ntawm qhov no yog 2 π r2. Yog hais tias qhov no yog dab tsi yog txhais los ntawm qhov chaw saum npoo ntawm a hemisphere tiam 2 r2 = 1062.

Qhov thib ob, ua li cas koj thiaj li tau txais qhov ntim ntawm lub hemisphere? Cov ntim ntawm ib tug kheej kheej yog 4/3 π r3. Yog li cov ntim ntawm ib hemisphere yog ib nrab ntawm qhov ntawd: V = (2/3) π r3. daws rau r thiab tom qab ntawd hloov hauv 60 rau V.

Yog li ntawd, tag nrho thaj chaw ntawm lub hemisphere yog dab tsi?

Cov tag nrho cheeb tsam ntawm ib hemisphere = 3 np2 square units Qhov twg π yog qhov tas li uas nws tus nqi sib npaug li 3.14 kwv yees li. "r" yog lub vojvoog ntawm lub hemisphere.

Dab tsi yog tus qauv ntawm tag nrho cov cheeb tsam ntawm hollow hemisphere?

Cov thaj chaw saum npoo ntawm a kheej kheej yog txiav txim los ntawm cov qauv 4 np r2. Tam sim no, txij li a hemisphere yog ib nrab ntawm ib kheej kheej , cov thaj chaw saum npoo ntawm hemisphere ua 2p r2.

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