Question

выразите с формулы а
$\frac{a \sqrt{3} }{2} = l$

Answer 1

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