oblicz pole całkowite prostopadłościanu o wymiarach 3cm 4cm i 5cm
P=2*a*b+2*a*c+2*b*c
P=2*3cm*4cm+2*3cm*5cm+2*4cm*5cm
P=2*7cm²+2*15cm²+2*20cm²
P=14cm²+30cm²+40cm²
P=84cm²-pole prostopadłościanu
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P=2*a*b+2*a*c+2*b*c
P=2*3cm*4cm+2*3cm*5cm+2*4cm*5cm
P=2*7cm²+2*15cm²+2*20cm²
P=14cm²+30cm²+40cm²
P=84cm²-pole prostopadłościanu