Indawo enqamlezileyo yesilinda yi ilingana nendawo yesangqa ukuba isikwe ngokuhambelana nesiseko setyhula. Ummandla onqamlezileyo ngummandla wemilo ye-dimensional-dimensional efunyenwe xa into-ntathu-efana ne-cylinder - inqunyulwe nge-perpendicular kwi-axis ethile echaziweyo kwinqanaba.
Ngokufanayo, Ithini ifomula yendawo enqamlezileyo? Indawo enqamlezileyo imiselwe ngokuphinda-phinda nge-3.14. Umzekelo, ukuba umthi ulinganiswa njenge-10u201d DBH, iradiyasi yi-5u201d. Ukuphinda-phinda ngo-5 ngo-5 kuyalingana no-25, xa umphinda-phinda ngo-3.14 ulingana no-78.5. Ke, indawo enqamlezileyo yomthi we-10u201d DBH yi-78.5.
Yintoni ifomula yendawo? Ukunika uxande olunobude l kunye nobubanzi w, ifomula yendawo yile: A = lw (uxande). Oko kukuthi, indawo yoxande bubude obuphindwe ngobubanzi. Njengemeko ekhethekileyo, njenge l = w kwimeko yesikwere, indawo yesikwere enobude becala s inikwe ifomula: A = s2 (isikwere).
Uwasombulula njani amacandelo anqamlezileyo?
Okwesibini Uyisebenzisa njani ifomula yendawo?
Yintoni umthamo wale silinda?
Ifomula yomthamo wesilinda yi V = Bh okanye V=πr2h. I-radius ye-cylinder yi-8 cm kunye nobude be-15 cm. Faka endaweni yesi-8 kwi-r kunye ne-15 ye-h kwifomula ethi V=πr2h. Yenza lula.
ngoko Yintoni ifomula yendawo kunye nomzekelo? Ifomula yoMmandla
Umzekelo, ukuba ufuna ukwazi indawo yebhokisi yesikwere enecala elingama-40 cm, uya kusebenzisa ifomula: Indawo yesikwere = a2, apho u-a licala lesikwere. Ngokufanayo, indawo kanxantathu inokufumaneka ngokusebenzisa ifomula yayo yendawo (1/2 × b × h).
Uwubala njani umthamo wamacandelo ahlukeneyo? Ukubala umthamo we-cylinder, ngoko, silula phinda-phinda indawo yecandelo lomnqamlezo ngobude besilinda: V=A⋅h. Kwimeko yesilinda esisetyhula sasekunene (itoti yesuphu), le nto iba V=πr2h. Umfanekiso 1.1. I-1: I-cross-section nganye ye-cylinder ethile iyafana nabanye.
Uyifumana njani ivolumu yecandelo elinqamlezayo?
Umthamo ngokwendlela yecandelo lomnqamlezo ithatha indawo yazo zonke izilayi zemilo kwaye yongeze kunye ukufumana umthamo opheleleyo. Kwiimilo ezimbini, ukuba izilayi ezihambelanayo zinendawo efanayo ngoko isamba siya kufana kwaye iimilo ziya kuba nomthamo ofanayo.
Yintoni i-cross-section kwizibalo? I-cross-section licandelo lenqwelomoya eli icandelo lento-ntathu into enxuseneyo kwenye yeendiza zayo zolingano-macala okanye i-perpendicular kwenye yemigca yayo yolingano.. Chaza iimilo ezenziwe ngamacandelwana anqamlezayo (isikwere, uxande, unxantathu, njl.njl).
Nguwuphi umzekelo wommandla?
Yintoni iNdawo?
Igama lobume: | Ifomula yommandla: |
---|---|
Triangle | Indawo = bh, apho b isiseko, kwaye h ukuphakama. |
isikwere | Indawo = l × l, apho l ubude becala ngalinye. |
unxantathu | Indawo = l × w, apho l ubude kwaye w ububanzi. |
Parallelogram | Indawo = b × h, apho b isiseko, kwaye h ukuphakama kwembonakalo. |
Sithini isisombululo sendawo? Ummandla ulinganiswa ngeeyunithi zesikwere ezifana nee-intshi zesikwere, iinyawo ezikwere okanye iimitha ezisisikwere. Ukufumana indawo yoxande, phinda-phinda ubude ngobubanzi. Ifomula yile: A = L *W apho indawo ingu-A, L ubude, W ububanzi, kwaye * kuthetha ukuphinda-phinda.
Ubalwa njani ummandla womhlaba?
Ngokufutshane) misela ubude nobubanzi bendawo osebenza kuyo, ulinganiswe ngeenyawo. Phinda ubude ngobubanzi kwaye uya kuba neenyawo zenyawo. Nantsi indlela esisiseko onokuyilandela: Ubude (ngeenyawo) x ububanzi (ngeenyawo) = indawo kwi-sq.
Yintoni indawo yesilinda?
Umthamo wesilinda ngu π r² h, kwaye indawo yayo yomphezulu i 2π rh + 2π r².
Uyifumana njani indawo yesilinda? Ifomyula yokubala indawo epheleleyo yomphezulu we-cylinder inikwe njengokuba, indawo yonke ye-cylinder. = 2πr(h + r), ngelixa indawo egobileyo yendawo ye-cylinder formula, i-curved/lateral surface yesilinda = 2πrh, apho 'r' i-radius yesiseko kwaye 'h' bubude be-cylinder.
Kutheni le nto ifomula yomthamo wesilinda? Ke, umthamo we-cylinder unokunikwa yimveliso yendawo yesiseko kunye nokuphakama. Kuyo nayiphi na i-cylinder ene-base radius 'r', kunye nobude 'h', ivolyum iya kuba yisiseko ngokuphinda-phindwe ngobude. Ngoko ke, umthamo we-cylinder = okanye2h iiyunithi cubic.
Ndiyibala njani indawo yesangqa?
Ifomula yendawo yesangqa yile A = pi * r * r apho r yiradiyasi (ububanzi / 2).
Uyifumana njani indawo kwizibalo zebanga lesi-4?
Ngaba indawo enqamlezileyo iyafana nomthamo?
Ukunikezelwa kokuqiniswa okungafunekiyo, sinokuqikelela umthamo wayo ngokuwusika ube ngamaqhekeza amancinci n. Xa izilayi zincinci, isilayi ngasinye sinokuqikelelwa kakuhle nge-cylinder elungileyo. Ngaloo ndlela Umthamo wesilayi ngasinye umalunga nendawo enqamlezileyo × ubukhulu.
Ithini ifomula yomthamo? Ngelixa ifomyula esisiseko yommandla wemilo yoxande ibubude × ububanzi, ifomula esisiseko yomthamo ithi ubude x ububanzi x ukuphakama.
Yintoni umzobo onqamlezileyo?
Amacandelo anqamlezayo, okanye amacandelo, njengoko ebizwa ngokuqhelekileyo, anjalo imizobo yoyilo eyingqikelelo ye-orthographic yezakhiwo ezinomko onqamlezayo. Olu hlobo lwentelekelelo lubonisa umzobo we-dimensional ezintathu kumbono we-dimensional view.
Zeziphi iimilo amacandelo anqamlezileyo we-cylinder? Icandelo lomnqamlezo we-cylinder li isangqa.
Yintoni uphindaphindo lwendawo?
Ukuphindaphinda ngo a Inani elinemivo eli-1 usebenzisa iimodeli zendawo
Bonisa ingxaki njengendawo yoxande, kwaye emva koko ukwaphule oloxande lube ziziqwengana ezincinci ukuze uzisombulule lula. Le ndlela yaziwa ngokuba yibhokisi yophindaphindo.
Uyifumana njani indawo enamanani ama-3?