### Home > CCG > Chapter 4 > Lesson 4.2.3 > Problem4-85

4-85.

Can a triangle be made with sides of length $7$, $10$, and $20$ units? Justify your answer.

Pick two of the given sides and use the Triangle Inequality to determine possible lengths of the third side.

Explore using the eTool below .
Click the link to the right for the full version of the eTool: 4-85 HW eTool (Desmos)