Answer:
Step-by-step explanation:
We know that the base is 6 and the altitude is
We need to know the sides of the triangle
The triangle is already divided into two by the altitude, the new base will be 3 because 6 divided by 2 is 3, and the side of the smaller triangle will be
So we use the pythagoream thereom:
Now since we are squaring a square root, it goes back to 3, and we know equals 9:
Now we solve:
Now we know the side of the triangle ABC
Since it is an isosceles, both sides are
Now we add all sides to get our perimeter: P=
We know that + = = .......when we factor
Which is: