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[tex] \frac{8 \times 5 \times \frac{ \sqrt{3} }{2} }{2} [/tex]
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Răspuns :

Loredanaschneid

[tex] \frac{8 \times 5 \times \frac{ \sqrt{3} }{2} }{2} = 2 \times 5 \times \sqrt{3} = 10 \sqrt{3} [/tex]

(8×5×√3/2)/2 = (40√3/2)/2 = 20√3/2 = 10√3