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a line segment has end point P(3,6) and Q(12,18) and is dilated so that's its new endpoints are Q' (8,12). What is the scale factor? If the lenght of PQ is 15 what is the lenght of P' Q'?

Can you plez help worth 10 points

3 answers

the scale Q'/Q = 2/3
2/3 * 15 = 10, the new length

25

P'Q' has length = 10, so scale factor is 10/15 = 2/3

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