Look at the isosceles triangle below:
What is its perimeter?
Look at the isosceles triangle below:
What is its perimeter?
Since we are referring to an isosceles triangle, the two legs are equal to each other.
In the drawing, they give us the base which is equal to 4 and one side is equal to 6, therefore the other side is also equal to 6.
The perimeter of the triangle is equal to the sum of the sides and therefore:
16