### Home > INT2 > Chapter 3 > Lesson 3.1.4 > Problem 3-43

3-43.

Can a triangle be made with sides of lengths 7, 10, and 20 units? Justify your answer. Try using the *3-43 Student eTool** *(Desmos). Homework Help ✎.

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:* **INT2 3-43 HW eTool*