Pole prostokąta to iloczyn jego dwóch prostopadłych do siebie boków
a = 10 cm, b = ?, P = 150 cm²
10 cm · b = 150 cm²
b = 150 cm² : 10 cm
b = 15 cm
a = ?, b = 30 cm, P = 150 cm²
a · 30 cm = 150 cm²
a = 150 cm² : 30 cm
a = 5 cm
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Pole prostokąta to iloczyn jego dwóch prostopadłych do siebie boków
a = 10 cm, b = ?, P = 150 cm²
10 cm · b = 150 cm²
b = 150 cm² : 10 cm
b = 15 cm
a = ?, b = 30 cm, P = 150 cm²
a · 30 cm = 150 cm²
a = 150 cm² : 30 cm
a = 5 cm