I have a problem with this math question
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I have a problem with this math question

[From: ] [author: ] [Date: 11-09-08] [Hit: ]
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it says triangle A'B'C' is the image of ABC after a dilation what is the scale factor and the value of AC i dont kniow how to get scale factor and AC

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(21/35)=(6x/10x)

6x=21
x=3.5
Therefore scale factor is 3.5

AC/21 = 8/6
AC=28

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it means like is it___ sizes bigger. like you feet are 2 times bigger than your handd so the scale factor woukd be 2.
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