Răspunsuri

2014-11-18T20:20:10+02:00
Ap=b*h=6*4=24 cm²
Ar=b*h=8*5=40 cm²
Ar=d₁*d₂:2=9*6:2=27 cm²


2014-11-18T20:23:40+02:00
 1) A paralelogram = b x h = 6 x4 = 24 cm patrati
 2) A romb = b x h = 8 x 5 = 40 cm patrati
 3) A romb =  ( d1 x d 2 ) : 2 =  ( 9 x 6 ) :2 = 54: 2 = 27 cm patrati
 d1 = diagonala mare, se mai noteaza cu D
 d2 = diagonala mica