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π h<br />
Zapremina loptinog sloja: V= (3r1<br />
6<br />
2 +3r2 2 +h 2 )<br />
h<br />
r<br />
R<br />
kalota(samo poklopac)<br />
h<br />
r<br />
R<br />
loptin odsecak<br />
h<br />
r<br />
2<br />
r<br />
1<br />
R<br />
loptin sloj(zona)<br />
h<br />
R . R<br />
loptin isečak<br />
odsečak + kupa<br />
2