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Mathematics 15 Online
OpenStudy (anonymous):

@iGreen

OpenStudy (anonymous):

Which transformations will produce similar, but not congruent, figures? A. Triangle MNO is reflected across the x-axis and then rotated 90° clockwise to form triangle MꞌꞌNꞌꞌOꞌꞌ. B. Triangle MNO is reflected across the x-axis and then translated 9 units down to form triangle MꞌꞌNꞌꞌOꞌꞌ. C. Triangle MNO is reflected across the y-axis and then dilated by a scale factor of 1.8 to form triangle MꞌꞌNꞌꞌOꞌꞌ. D. Triangle MNO is reflected across the y-axis and then rotated 180° clockwise to form triangle MꞌꞌNꞌꞌOꞌꞌ.

OpenStudy (igreen):

Picture?

OpenStudy (anonymous):

There isnt one

OpenStudy (igreen):

k

OpenStudy (igreen):

There should be..

OpenStudy (igreen):

How else am I supposed to know?

OpenStudy (anonymous):

Dunno.....Theres no picture though O.o

OpenStudy (unanimoose):

Reflections are not going to affect the size. Dilating a figure will affect it.

OpenStudy (igreen):

Oh, that's right..

OpenStudy (igreen):

Dilating = Changing the size Reflection = Changing the position

OpenStudy (igreen):

So what do you think? @Master_Chief_117

OpenStudy (igreen):

Changing the size will still make it similar..

OpenStudy (igreen):

But not congruent.

OpenStudy (igreen):

Congruent = exactly the same size, but the position doesn't matter.

OpenStudy (unanimoose):

My message nee sent cuz /lag Reflecting, Rotating, and changing its placement does not change the size where dilating does by increasing or decreasing it by a scale factor.

OpenStudy (unanimoose):

So with that information the answer should be quite obvious. :P

OpenStudy (anonymous):

C?

OpenStudy (anonymous):

" then dilated by a scale factor of 1.8 to form triangle MꞌꞌNꞌꞌOꞌꞌ. "

OpenStudy (anonymous):

@Unanimoose

OpenStudy (igreen):

Correct.

OpenStudy (igreen):

That will change the size, it will be similar, but not congruebnt.

OpenStudy (anonymous):

Thanks...

OpenStudy (igreen):

*congruent

OpenStudy (anonymous):

c is the correct one (: to anybody that ever has this question

OpenStudy (anonymous):

Thanks LOL @Crumby

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