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vk;ru

vk;ru. mn~ns’;. fo|kFkhZ vk;ru ds ckjs esa tku ldsaxsA fo|kFkhZ vk;ru ds lw= crk ldsaxsA fo|kFkhZ fofHkUu vkd`fr;ksa ds vk;ru dh x.kuk dj ldsaxsA fo|kfFk;ksa esa vk;ru ls lEcfU/kr leL;k dks gy djus dh :fp tkx`r gks ldsxhA . vk;ru.

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vk;ru

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  1. vk;ru

  2. mn~ns’; • fo|kFkhZ vk;ru ds ckjs esa tku ldsaxsA • fo|kFkhZ vk;ru ds lw= crk ldsaxsA • fo|kFkhZ fofHkUu vkd`fr;ksa ds vk;ru dh x.kuk dj ldsaxsA • fo|kfFk;ksa esa vk;ru ls lEcfU/kr leL;k dks gy djus dh :fp tkx`r gks ldsxhA

  3. vk;ru vFkZ %&fdlh oLrq ds vk;ru dk vFkZ mldh {kerk ls fudkyk tkrk gSA ifjHkk"kk%& fdlh Bksl inkFkZ }kjk ok;qe.My esa ftruk LFkku ?ksjk tkrk gS ]og ml inkFkZ dk vk;ru dgykrk gSA vk;ru f=&vk;keh gksrk gSA bdkbZ%&?ku ehVj ;k ?ku lseh-

  4. fofHkUu vkd`fr;ksa ds vk;ru • ?kukHk dk vk;ru • ?ku dk vk;ru • csyu dk vk;ru • xksys dk vk;ru • v)Z xksys dk vk;ru

  5. ?kukHk dk vk;ru • ?kukHk ds vk;ru dk lw= & ekuk fdlh ?kukHk dh yEckbZ l ]PkkSM+kbZ b ]Å¡pkbZ h gS A ?kukHk dk vk;ru =yEckbZ x pkSM+kbZ x Å¡pkbZ ;k ?kukHk dk vk;ru ¾lxbxh l B A b E F h D C H G

  6. ?ku dk vk;ru %& ?ku ds vk;ru dk lw= ;fn ?ku dh Hkqtk dh yEckbZ dk eku l gS ] rks ?ku dh yEckbZ ¾pkSM+kbZ ¾Å¡pkbZ ¾Hkqtk ?ku dk vk;ru¾¼Hkqtk½+3 ;k ?ku dk vk;ru ¾¼ l ½3 l d a l g h c b f e

  7. csyu dk vk;ru& • ;fn fdlh csyu ds vk?kkjh; Hkkx dh f=T;k dk eku r ,ao Å¡pkbZ dk eku h gSA rks • yEco`Rrh; csyu dk vk;ru ¾ vk/kkjh; Hkkx dk {ks=Qy x Å¡pkbZ ;k csyu dk vk;ru ¾ πr2x h= πr2 h r h

  8. xksys dk vk;ru & • ;fn fdlh xksys dh f=T;k dk eku r gS rks& • xksys dk vk;ru ¾4@3 πr3 r

  9. v)Z xksys dk vk;ru& • v)Z xksys dk vk;ru] xksys ds vk;ru dk vk/kk gksrk gSA • v)Z xksys dk vk;ru ¾⅔πr3 r

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