# How do you find the area of an equilateral triangle that has a perimeter of 30 inches?

##### 1 Answer

#### Explanation:

We can see that if we split an equilateral triangle in half, we are left with two congruent right triangles. Thus, one of the legs of one of the right triangles is

If we want to determine the area of the entire triangle, we know that

In your case, the perimeter of the triangle is

We can plug in