### Home > GC > Chapter 9 > Lesson 9.2.4 > Problem 9-90

9-90.

Jillian is trying to construct a square. She has started by constructing two perpendicular lines, as shown at right. If she wants each side of the square to have length , as shown below, describe how she should finish her construction.

How can you use and the axes to create this square?

Jillian should construct an arc centered at with a radius

*so that it intersects*

*each once (call these intersections*

*and*

*, centered at*

*and*