the coordinates of the vertices of two rectangles, Rectangle A'B'C'D' and Rectangle P'Q'R'S' are given below. Rectangle A'B'C'D' – A(-4, 4), B(2, 4), C(2, 0), D(-4, 0) Rectangle P'Q'R'S' – P(-8, 8), Q(4, 8), R(4, 0), S(-8, 0) Jake scaled both the rectangles about their centers to create two congruent rectangles A′B′C′D′ and P′Q′R′S′. By which factor did he most likely scale Rectangle A'B'C'D' and Rectangle P'Q'R'S'?
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the answer and how to do it
In general, to find the scale factor of two similar figures: \[(\frac{x'}{x} , \frac{y'}{y}) \] Where (x',y') = the coordinate of the second image, and (x,y) = coordinate of the first image. In this case, since 2 x (-4,4) = (-8,8) 2 x (2,4) = (4,8) 2 x (2,0) = (4,0) 2 x (-4,0) = (8,0) We know that the scale factor is 2.
I hope any of that makes sense.
thanks. i really appreciate it. this helped out alot
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