Enlargement
Move the green point. The L shape is enlarged.
How does the
distance
OB compare to the distance OA ?
Choose...
OB = OA
OB = 2 x OA
OB = 4 x OA
OB = scale factor x OA
Result:
Please enable Java for an interactive construction (with Cinderella).
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MathsNet
2001
Enlargement 
