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2014-09-06T23:54:31+03:00
Aria =l²⇒l²=4 cm²⇒l=2 cm⇒d=l√2=2√2 cm
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2014-09-07T00:00:52+03:00
Aria= l²

latura=√arie
latura=√4
latura=2

diagonala=latura√2
diagonala=2√2
2 3 2