oblicz pole prostopadłościanu
a=8cmb=5cm c=? v=240cm³Ppc?
a=8cmb=5cm c=? V=240cm³
V=abc
240=8*5*c
240=40c
c=6[cm]
Pc=2ab+2ac+2bc
Pc=2*8*5+2*8*6+2*5*6=80+96+60=136(cm²)
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a=8cm
b=5cm
c=?
V=240cm³
V=abc
240=8*5*c
240=40c
c=6[cm]
Pc=2ab+2ac+2bc
Pc=2*8*5+2*8*6+2*5*6=80+96+60=136(cm²)