Răspunsuri

2014-11-06T15:47:44+02:00
30,6 * 5/9 = 153/9 = 17 cm latimea
P = 2 L + 2 l
P = 2 * 30,6 + 2 * 17 = 61,2 + 34 = 95,2 cm
A = L * l
A = 30,6 * 17 = 520,20 cm²