Oblicz pole powierzchni prostopadłościanu o bokach długości 7cm , 2cm , 5cm
Pp=2*7*2+2*7*5+2*2*5=28+70+20=118cm2
H=7cm
a=2cm
b=5cm
P=2aH+2bH+2ab
P=2*7*2+2*5*7+2*2*5
P=28+70+20
P=118cm²
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Pp=2*7*2+2*7*5+2*2*5=28+70+20=118cm2
H=7cm
a=2cm
b=5cm
P=2aH+2bH+2ab
P=2*7*2+2*5*7+2*2*5
P=28+70+20
P=118cm²