Question

Un triunghi echilateral are latura de lungime 5(radical)3 cm . Determinatii lungimea inaltimii triunghiului .

Answer 1

ΔABC echi ⇒ h=$\frac{l(radical)3}{2}$=$\frac{5 \sqrt{3}* \sqrt{3} }{2} = \frac{5*3}{2} = \frac{15}{2} = 7,5 cm$