Răspunsuri

2014-03-31T17:46:11+03:00
Aria=l^2
a)l^2=361 =>l=19cm;
b)l^2=5,76=>l=2,4cm;
c)l^2=9,61=>l=3,1cm;
4 4 4
2014-03-31T17:48:29+03:00