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Calculati inaltimea unui triunghi echilateral avand latura de 6 cm.

Răspuns :

[tex]\rm In\ triunghiul\ echilateral\ formula\ inaltimii\ este:\ h= \frac{l \sqrt{3}}{2}\\\\h= \frac{6 \sqrt{3} }{2}\\\\\boxed{\bold h= 3 \sqrt{3} } [/tex]