### Home > GC > Chapter 12 > Lesson 12.2.3 > Problem 12-76

12-76.

If and

*, find all possible coordinates of vertex*

*. Justify your answer.*

*12-85 HW eTool*(Desmos).

There are two possible locations for vertex .

Use the eTool below to visualize the problem.

Click the link at right for the full version of the eTool: CCG 12-85 HW eTool