Jakie jest pole powierzchni prostopadłościanu o krawędziach 2 cm, 15 mm i 0,75 dm?
Załóżmy, że:
a=2cm
b=15mm=1,5cm
H=0,75dm=7,5cm
P=2ab+2bH+2aH
P=2*2*1,5+2*1,5*7,5+2*2*7,5=6+22,5+30=58,5cm²
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Załóżmy, że:
a=2cm
b=15mm=1,5cm
H=0,75dm=7,5cm
P=2ab+2bH+2aH
P=2*2*1,5+2*1,5*7,5+2*2*7,5=6+22,5+30=58,5cm²