Question

lungimea inaltimii unui triunchi echil care are latura de 3√3cm este egala cu......

Answer 1

$l = 3 \sqrt{3} \:cm$

$h = \frac{l \sqrt{3} }{2}$

$h = \frac{3 \sqrt{3} \times \sqrt{3} }{2}$

$h = \frac{3 \times 3}{2}$

$h = \frac{9}{2}$

$h = 4.5 \: cm$