9
The Geometry SketchPad (GSP)

FX Draw3

y
y
15
15
10
10
5
5
x
-10
-5
5
10
x
-10
-5
5
10
y
-5
15
-5
y
10
10
5
5
x
-10
-5
5
10
x
-10
-5
5
10
-5
-5
-10

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