Question

Inaltimea unui triunghi echilateral are latimea de 4 radical 3 cm.Calculati lungimea laturii triunghiului.

Answer 1

$h= \frac{l \sqrt{3}}{2} \Rightarrow l= \frac{2h}{\sqrt{3}}= \frac{2 \cdot 4 \sqrt{3}}{\sqrt{3}}=8~(cm).$

Answer 2

h=4√3 cm
h=L√3/2
L√3/2=4√3 
L/2=4
L=8 cm