Y=x-2
..........................
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Answer:
Step-by-step explanation: A= (Pi) x r^2
What’s the question that you have
The scale factor is 1/3.
To find this scale factor, choose a set of sides to compare lengths. For example, taking the left sides of the triangles, which is 9 and 3. 9 is 3 times bigger than the triangle on the right, so that gives us the scale factor of 1/3.
