Răspunsuri

2014-05-07T20:48:48+03:00
P = 2(L + l)
24 cm = 2( 5 + L)
24 cm = 10 cm + 2L
2L = 24 cm - 10 cm
L= 14 cm :2
L= 7cm
2014-05-07T20:49:23+03:00