Enlargement
Move the green point. Rectangle ABCD is enlarged to give rectangle A'B'C'D'.
Make the scale factor 2. How does the blue
area
compare to the yellow
area
?
Choose...
It is the same
Blue = 2 x Yellow
Blue = 4 x Yellow
Blue = scale factor x Yellow
The square of the scale factor
The cube of the scale factor
Result:
Please enable Java for an interactive construction (with Cinderella).
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MathsNet
2001
Enlargement