This is clearly a reduction meaning the copy got smaller. This indicates that the scale factor IS less than 1 and the only answer choice less than 1 is the first statement.
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Answer : The scale factor is 0.25.
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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
S is 27. SRT is 63 becuase of the vertical angles theorem. All angles of a triangle add up to 180, and you already have the other two angles. So its 27