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D,E, and F are the midpoints ofBC, CA and AB respectively. A dilation maps triangle ABC to triangle DEF. What is the scale factor of this dilation?

 

 

the answer is not 1/2. 

 

help would be appreciated thx!!

 May 5, 2021
 #1
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The answer is -1/2 since A and D are on opposite sides of the center of dilation

 May 5, 2021

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