Răspuns:
A . 28 cm :4= 7 cm ( o latura)
Aria= 7*7=49 cm
B. latimea = 2,2-0,6=1,6 cm(l)
(2,2*2)+(1,6*2)=4,4+3,2=7,6 m(dantela)
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Răspuns:
A . 28 cm :4= 7 cm ( o latura)
Aria= 7*7=49 cm
B. latimea = 2,2-0,6=1,6 cm(l)
(2,2*2)+(1,6*2)=4,4+3,2=7,6 m(dantela)