Enlargement
Move the green point. Rectangle ABCD is enlarged to give rectangle A'B'C'D'.
How does the
length
A'B' compare to the length AB?
Choose...
It doesn't
A'B' = AB
A'B' = 2 x AB
A'B' = 4 x AB
A'B' = scale factor x AB
A'B' is always bigger than AB
Result:
Please enable Java for an interactive construction (with Cinderella).
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MathsNet
2001
Enlargement