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Stabiliti daca ΔABC,este dreptunghic cu m(∡BAC)=90°,stiind ca:
a)AB=6√3cm,AC=6√6 cm si BC=18cm;
b)AB=8√3cm,AC=6√3cm si BC=10√2cm;
c)AB=4√3cm,AC=3√3cm,BC=5√3cm;
d)AB=9√2cm,AC=12√2cm,BC=15√3cm.