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wariber [46]
3 years ago
5

Describe a sequence of transformations that exhibits the similarity between the pair of figures shown.

Mathematics
1 answer:
kow [346]3 years ago
7 0

Answer:

Reflection across the x-axis followed by dilation by a scale factor of \frac{1}{4} with the center of dilation at the origin

Step-by-step explanation:

Rectangle EFGD has vertices at points E(-6,8), F(0,8), G(0,1) and D(-6,1).

1 transformation - reflection across the x-axis with the rule

(x,y)\rightarrow (x,-y)

So, the image rectangle E''F''G''D'' has vertices with coordinates

  • E(-6,8)\rightarrow E''(-6,-8);
  • F(0,8)\rightarrow F''(0,-8);
  • G(0,1)\rightarrow G''(0,-1);
  • D(-6,1)\rightarrow D''(-6,-1).

2 transformation - dilation by a scale factor of \frac{1}{4} with the center of dilation at the origin. This transformation has the rule

(x,y)\rightarrow (\frac{1}{4}x,\frac{1}{4}y)

Thus,

  • E''(-6,-8)\rightarrow E'(-\frac{3}{2},-2);
  • F''(0,-8)\rightarrow F'(0,-2);
  • G''(0,-1)\rightarrow G'(0,-\frac{1}{4});
  • D''(-6,-1)\rightarrow D'(-\frac{3}{2},-\frac{1}{4}).

These are exactly vertices of rectangle E'F'G'D'.

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