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Rombul ABCD are diagonalele AC=16cm si BD=12cm Calculati lungimea laturi [AB]. Cine ma poate ajuta va roggg.....

Răspuns :

AO=AC/2
AO=8 cm
OB=BD/2
OB=6 cm
ΔOAB
AB²=AO²+OB²
AB²=8²+6²
AB²=64+36
AB²=100
AB=10