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P rom.=27cm*6cm/2= 162cm²/2=81cm²
P rombu = P kwadratu
P kw. = a²
81=a²
a=9cm
a = ? - bok kwadratu
Pkw. = P rombu
e = 27 cm - przekatna rombu
f = 6 cm - przekatna rombu
1. Obliczam pole rombu
P = 1/2*e*f
P = 1/2*27 cm* 6 cm
P = 81 cm²
2. Obliczam bok a kwadratu
Pkw. = P rombu
Pkw. = a²
P rombu = 81 cm²
a² = 81 cm²
a = √(81 cm²)
a = 9 cm
Odp. Kwadrat ma bok a = 9 cm
P(rombu) 1/2 * 27cm * 6cm = 81cm2
Pierwiastek kwadratowy z 81cm2 to 9cm
Odp. Długośc boku tego kwadratu wynosi 9cm.