Question

if a side of a eqilateral traine is 2a find its height​

Answer 1

Step-by-step explanation:

By using Pythagoras theorem,

${(2a)}^{2} - {a}^{2} = {(height)}^{2}$

$height = \sqrt{4 {a}^{2} - {a}^{2} }$

$height = \sqrt{(4 - 1) {a}^{2} }$

$height = \sqrt{3} a \: meter$