Triangle abc was dilated and translated to form similar triangle a’b’c. what is the scale factor of the dilation? 1/5 2/5 5/2 5/1

Dilation refers to a non rigid motion where a figure is transform and its image has the same form but a different size measure.

On this exercise is asked to find the scale factor by which the triangle ABC was 

dilated to produce the triangle A'B'C'. 

Dilation is define by the rule (x,y)-- (kx, ky) where k represents the scale factor.

As can be see on the picture the dilation produce was an enlargement meaning that the image is larger that the preimage.

Of this form you can discard the choices A and B as possible solutions.

Lets try 5/2 as the possible scale factor:

(x,y)-- (kx, ky)

A(0,2)--(5/2(0),5/2(2))=A'(0,5)

B(2,2)--(5/2(2),5/2(2))=B'(5,5)

C(2,0)--(5/2(2),5/2(0))=C'(5,0)

Lets try 5/1 or 5 as the scale factor:

A(0,2)--(5(0),5(2))=A'(0,10)

B(2,2)--(5(2),5(2))=B'(10,10)

C(2,0)--(5(2),5(0))=C'(10,0)

As said at the beginning of the question the triangle was not only dilated.

After a dilation and a translation, the scale factor of the dilation is letter C or 5/2.  

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step-by-step explanation: