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olasank [31]
3 years ago
11

Which transformations will produce similar, but not congruent, figures?

Mathematics
2 answers:
nikitadnepr [17]3 years ago
8 0

Answer:

Trapezoid MNOP  is dilated by a scale factor of 12 and then rotated 90° counterclockwise to form trapezoid M"N"O"P" .

 Trapezoid MNOP ​ is translated 7 units right and then dilated by a scale factor of 5 to form ​ trapezoid M"N"O"P" ​ .

 Trapezoid MNOP ​ is dilated by a scale factor of 18 and then reflected across the x-axis to form ​ trapezoid M"N"O"P" ​ .

Step-by-step explanation:

Download pdf
Leni [432]3 years ago
7 0
<h3>Answer:</h3>

the first 3 choices are correct

<h3>Explanation:</h3>

Dilation by any factor other than 1 changes the size, so will produce a similar, not congruent, figure. Translation, reflection, and rotation have no effect on similarity or congruence, since those transformations all maintain lengths and angles unchanged.

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                     ------------

                            2

Step-by-step explanation:

First write out the equation

x² - x - 20

Now we now write the equation by equating to 0

x² - x - 20 = 0

We now move 20 to the other side of the equation. So

x² - x    =  20,

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x² - x + ( ¹/₂ )² = 20 + ( ¹/₂ )²

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( x - ¹/₂ )²       = 20  + ¹/₄, we now resolve the right hand side expression into fraction

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Taking the square root of both side to remove the square,we now have

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x - ¹/₂               =     √⁸¹/₂

Therefore,

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                          -----------

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