Oblicz pole powierzchni prostopadłaścianu o wymiarach 1CMX2CMX3CM
a=1cm
b=2cm
c=3cm
P=2(ab+ac+bc)
P=2(1*2+1*3+2*3)=2(2+3+6)=2*11=22cm²
a=1cm : b=2cm : c=3cm
P=2(1*2+1*3+2*3)=2(2+3+6)=2*11= 22 cm kwadratowe
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a=1cm
b=2cm
c=3cm
P=2(ab+ac+bc)
P=2(1*2+1*3+2*3)=2(2+3+6)=2*11=22cm²
a=1cm : b=2cm : c=3cm
P=2(ab+ac+bc)
P=2(1*2+1*3+2*3)=2(2+3+6)=2*11= 22 cm kwadratowe