1. Circles and Circumference
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To draw the image of a figure under a dilation with center B and the scale factor r, we need to follow a few steps.
We will begin by drawing the rays from B through each vertex. Let's also name the remaining vertices with consecutive letters.
The given scale factor is r= 25. Let's locate M' on BM such that BM' = 25 BM. To do this, we measure BM first. Then, after multiplying BM by 25 we get the length of BM'. We locate the point M' by measuring this length from B along BM.