3 years ago

PLEASE HELP! Triangle A’B’C’ is a dilation of triangle ABC.

Mathematics

2 answers:

sergejj [24]3 years ago

6 0

The scale factor is (x2)!

9×2 = 18
4 1/2 × 2 = 9

hram777 [196]3 years ago

3 0

Answer: 0.5

Step-by-step explanation:

We know that the scale factor for dilation is the ratio of the side-length of the image to the side-length of the pre-image.

From the given figure, In Pre-image ΔABC , we have AC=18

In Pre-image ΔA'B'C', we have A'C'=9

Now, the scale factor will be :_

$k=\dfrac{A'C'}{AC}=\dfrac{9}{18}=\dfrac{1}{2}=0.5$

Now, the scale factor for this dilation = 0.5

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