Răspunsuri

2014-06-03T11:15:03+03:00
ABCD-dreptunghi
AB=CD=8
BC=AD=6
AC;DB-diagonale
ΔABC, mas<B=90
AC²=AB²+BC²= 6²+8²=36+64=100 ⇒AC=10
2014-06-03T11:24:51+03:00


d^2=L^2+l^2

d^2=6^2+8^2

d^2=16+64

d^2=100

d=rad 100

d=10

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