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AB=8cm
AC=15cm
BC=?
Folositi formula BC²=AB²+AC²
Cat este BC??


Răspuns :

Sigur e triunghi dreptunghic
AB=8 cm
AC=15 cm
BC=?
BC²=AB²+AC²
BC²=64+225=289
√BC=17 cm
Deci, BC=17 cm
BC²=AB²+AC²=8²+15²=64+225=289
BC=√289=17
BC=17cm