Oblicz objętość OSTROSŁUPA o podstawie
a) równoległoboku, a= 7 cm h=8 cm H= 13 cm
b) trapezu, a=8cm b=11cm h=4cm H=14 cm
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a) Pp= 7· 8 = 54 cm²
V = 1/3 · 54 ·13 = 18 ·13 = 234cm³