- Select the line segment tool again and make a line from A to C. This line lies on the X axis.
- Select the curve.
- In the Construct palette, choose Reflection. The status bar now shows a message prompting you to choose the axis about which to reflect the curve.
- Choose AC, which will reflect the curve about the X axis.
B is also reflected, its reflection appearing on the lower curve as B'.
- Select B and drag it; B' follows. But, though you can select B', you can’t drag it; it’s locked to reflect the location of B.
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