Pb = 6 * 0,5 * a* h Pb = 3*6 *12 = 216 Odp.: Pole boczne tego ostrosłupa wynosi 216 cm²
hb=?
6²+h²=12²
h=6√3
Pb=1/2*6*6√3*6=108√3cm²
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Pb = 6 * 0,5 * a* h
Pb = 3*6 *12 = 216
Odp.: Pole boczne tego ostrosłupa wynosi 216 cm²
hb=?
6²+h²=12²
h=6√3
Pb=1/2*6*6√3*6=108√3cm²