A ladder leaning against a wall forms a triangle and exterior angles with the wall and the ground. What is the measure of exterior angle formed on the ground?
5 degrees
90 degrees
125 degrees
180 degrees
![A ladder leaning against a wall forms a triangle and exterior angles with the wall and the ground What is the measure of exterior angle formed on the ground5 de class=](https://us-static.z-dn.net/files/d46/7d44eacdc2a7b66f5e2024a0baa1986a.jpg)