Haynes Boone
03/30/2023 · Elementary School
Triangle \( A B C \) has side lengths of \( 7 \mathrm{~cm}, 9 \mathrm{~cm} \) and 12 cm respectively. If after a dilation the side lengths of the image are \( 10.5 \mathrm{~cm}, 13.5 \mathrm{~cm} \) and 18 cm respectively, what must be the scale factor? \( \begin{array}{llll}\text { a. } 1.5 & \text { b. } 2 & \text { c. } 2.5 & \text { d. } 3\end{array} \)
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The scale factor is 1.5.
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