13 On the set of axes below, /_(/)DEF is the image of /_(/)ABC after a dilation of scale factor (1)/(3). The center of dilation is at (1) (0,0) (3) (0,-2) (2) (2,-3) (4) (-4,0)
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We need to determine the center of dilation for the transformation of triangle ABC to triangle DEF with a scale factor of 1/3. The center of dilation is one of the given points. Show more…
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How Do you see IT Point $C$ is the center of dilation of the images. The scale factor is $\frac{1}{3}$ . Which $\square$gure is the original $\square$gure? Which $\square$gure is the dilated $\square$gure? Explain your reasoning.
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10. If ΔA'B'C' is the image of ΔABC under a dilation with center at (0,0), what is the scale factor? (A) 3 (B) 2/3 (C) 1/3 (D) -1/3 11. Find the value of x. (A) 5 (B) 6 (C) 6 1/2 (D) 7 1/2 12. Find MN. (A) 5 1/3 (B) 6 3/4 (C) 7 (D) 12 13. In ΔABC, DE || AC. If AD = 12, BD = 3, and CE = 10, find BE. (A) 1 (B) 1 1/2 (C) 2 (D) 2 1/2
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