Question

Use pythagorean theorem to find perimeter

Answer 1

36

Explanation:

Counting the squares: base = 12, height = 9.

We will use pythagorean theorem to find the third side.

Let it be x.

So,

`x^2 = 12^2 + 9^2\\x^2 = 144 + 8 1 = 225\\x = 15`

Perimeter of triangle = sum lengths of all sides

= 12 + 9 + 15

= 36 units