### Home > CC3MN > Chapter 9 > Lesson 9.1.1 > Problem 9-12

9-12.

What kind of triangle will the edges of the squares at right form? What will the side lengths be?

Here are the squares reproduced below.

What kind of triangle do these form?

How do you know it is an obtuse triangle without looking at the picture?

How can you find the side lengths from the areas of the squares?