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Pp=26cm²
V=26*14
V=364cm²
P=1\2(a+b)*h
P=1\2(8cm+5cm)*4cm
P=1\2*13cm*4cm
P=26cm2
V=Polepodstawy * wysokość graniastosłupa
V=26cm2 * 14cm
V=364cm3
odp: objętość tego graniastosłupa wynosi 364cm3
Pp = ½ × (8cm+5cm) × 4cm = 6,5cm × 4cm = 26 cm²
V = Pp × h
V = 26cm² × 14 cm = 364 cm³