Before you learned about the relationship within triangles.
Now your GOAL will be to find side lengths in right triangles.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTJJARq99IQ5YV8sSYJUxgK9QsdxUKE1NZI5pCiPW548bFF3jzlBsVnXeQiSjR7wwAVZHGr0CfyfUSHneuT2CMi8aHCMlgdGUyAVGw6MB_yPe0Wd_I4QgP-rBrRqwwqTOpppVJMCp42ZA/s200/7.1+vocab.bmp)
The Pythagorean Theorem
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7.2 Use the converse of the Pythagorean Theorem
Now you will use its converse to determine if a triangle is a right triangle.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlvPLlKjtpM6A6i9zyVTUk8nJWXTU6-A1b-notUuJfR_rzOyuzBTnXLhgxzwx5KENQDJ23cTBaK7YyX2TlUsTQy-cTQ-0v6TQM9Kps2D_sHtgc0Q0n-fAJvmUl4j7eXLNP7If78uWV4D0/s200/7.2+vocab.bmp)
7.2 Use the converse of the Pythagorean Theorem
Before you used the Pythagorean Theorem to find missing side lengths
Now you will use its converse to determine if a triangle is a right triangle.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlvPLlKjtpM6A6i9zyVTUk8nJWXTU6-A1b-notUuJfR_rzOyuzBTnXLhgxzwx5KENQDJ23cTBaK7YyX2TlUsTQy-cTQ-0v6TQM9Kps2D_sHtgc0Q0n-fAJvmUl4j7eXLNP7If78uWV4D0/s200/7.2+vocab.bmp)