Given ΔDEF : ΔRST, find the scale factor.
2 answers:
Answer: The value of x is 12 units and the scale factor is 
Step-by-step explanation: Given that the triangle DEF is similar to the triangle RST.
We are to find the value of x and the scale factor of the dilation.
We know that the corresponding sides of the similar triangles are proportional.
So, we must have

The scale factor is given by

Thus, the value of x is 12 units and the scale factor is 
The scale factor of DEF : RST is 3/4.
X = 12
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