Răspunsuri

2014-05-10T21:11:50+03:00
A rombului=d₁*d₂/2
d₁=0.75, d₂=4
0.75*4 /2=3/2=1.5cm²
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2014-05-10T21:12:19+03:00
A=aria
A=d1xd2pe2
A=0.75X4PE2
A=0.75X2
A=1.5
 
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