Pre-image ABCD was dilated to produce image A'B'C'D' .

Mathematics

2 answers:

ollegr [7]4 years ago

5 0

To find the scale factor, divide any part of the figure A'B'C'D' (the image) over the corresponding part of ABCD (preimage)

In this case, we know what CD and C'D' are, so we can say...

scale factor = (length of C'D')/(length of CD)
scale factor = (8)/(14)
scale factor = 4/7

Answer: 4/7

Dominik [7]4 years ago

4 0

To find a scale factor of a pre-image you just divide the smaller shape by the larger shape. That easy.

8/14 = 4/7

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