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Triangle ABCTriangle ABC ​is transformed with the center of dilation at the origin. 

Pre-image: △ABC with vertices  A(2, 5), B(6, 10), C(9, −1)

Image: △A′B′C′ with vertices  A′(0.5, 1.25), B′(1.5, 2.5), C′(2.25, −0.25)

 

What is the scale factor of the dilation that maps the pre-image to the image?

 
Girl2018  Jan 25, 2018
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