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Triangle DEF has vertices D ( − 4 , 1 ) D-4, 1, E ( 2 , 3 ) E2, 3, and F ( 2 , 1 ) F2, 1 and is dilated by a factor of 3 using the point ( 1 , 1 ) 1, 1 as the point of dilation. The dilated triangle is named Δ D ' E ' F ' ΔD'E'F'. What are the coordinates of the vertices of the resulting triangle?

Answer :

Answer:

D'(-14,1), F'(4,1) and E'(4,7)

Step-by-step explanation:

Let's take each point and dilate about the point (1,1) using rule (x,y)--->(kx,ky). Where 'k' is dilation factor

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