jane078
28.10.2020 •
Mathematics
The diagram shows two nested triangles that share a vertex. Find a center and a scale factor for a dilation that would move the larger triangle to the smaller triangle.
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Ответ:
7 inches by 7 inches
Step-by-step explanation:
x^2 -10x+25
Factor
What 2 numbers multiply to 25 and add to -10
-5*-5 = 25
-5+-5 = 10
(x-5) (x-5)
The dimensions are (x-5) by (x-5)
Substitute x=12 into the equation
(12-5) by (12-5)
7 by 7
The length is 7 and the width is 7