# What is the perimeter of an equilateral triangle if the length of an altitude is 5/sqrt3?

##### 1 Answer

Mar 13, 2016

Perimeter is 10

#### Explanation:

Let the height of the standardises triangle by

Let the side length of the triangle in the question be

The by ratio of side lengths we have:

But

But this is the length for only one side. There are three sides so:

Perimeter =