What is the base length of an equilateral triangle that has an area of approx 9.1 square centimeters?
1 Answer
Explanation:
We can see that if we split an equilateral triangle in half, we are left with two congruent equilateral triangles. Thus, one of the legs of the triangle is
If we want to determine the area of the entire triangle, we know that
We know that the area of your equilateral triangle is
We can set our area equation equal to