lovebriannabana lovebriannabana

18-04-2018
Chemistry

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please help this should be under mathematics but I clicked the wrong button

please help this should be under mathematics but I clicked the wrong button class=

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mkryukova19 mkryukova19

18-04-2018

First, find length of AB, using coordinates of the points A and B.
A(1,4) and B(4,8)
|AB|=√((y2-y1)² +(x2-x1)²) =√((8-4)²+(4-1)²)=√(16+9)=√25=5

When dilating with scale factor 4,
the length of |A'B'|=4*|AB|=4*5=20

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