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Pp-pole podstawy
H=10cm
Pp=(a+b)h:2
a=4cm
b=3cm
h=2cm
Pp=(4+3)*2:2=7*2:2=14:2=7cm²
V=1/3 *7*10=70/3=23 i 1/3cm³
Pp = (4 +3 ) * 2 ; 2
Pp = 7 * 2 : 2
Pp = 7
V = 7 * 10 : 3
V = 70 : 3
V = 23 i 1/3
V-objętość
Pp - pole podstawy
H = 10cm
Pp = (a+b)h :2
a - 4cm
b - 3cm
h - 2cm
Pp=(4+3)*2:2=7*2:2=14:2=7cm²
V=1/3 *7*10=70/3=23 i 1/3cm³