Răspunsuri

2014-10-21T17:16:06+03:00
P: 2l + 2L => 52= 2.16 + 2.x
52=32+2x
2x=52-32
2x=20
x=10
2014-10-21T17:16:53+03:00
52 (perimetrul) = 2l +2L
52= 2l+ 2*16
52=2l+32 
=> 2l =52-32
2l=20 
l(latimea) = 20:2 = 10