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Mathematics 15 Online
OpenStudy (peridot):

Which sequence of transformations creates a similar but not congruent triangle? A)Dilation and reflection B)Reflection and rotation C)Reflection and translation D)Translation and rotation

OpenStudy (thatonegirl_):

Do you know what congruent means?

OpenStudy (peridot):

Do YOU know what congruent means?

OpenStudy (kittiwitti1):

Congruency means the triangles would be \(exactly\) the same, disregarding their positions. So you can't have a clone/copy of the triangle.

OpenStudy (thatonegirl_):

Yes, but are you familiar with its meaning? Because that is a vital piece of info for this

OpenStudy (kittiwitti1):

Hint: moving the triangle wouldn't change its size.

OpenStudy (peridot):

ok

OpenStudy (kittiwitti1):

So based on that info, what choice seems most logical?

OpenStudy (peridot):

Idk thats why I'm asking, geez maybe A or B

OpenStudy (kittiwitti1):

I told you what congruent means: \(exactly\) the same shape/size. The problem doesn't want that, so you have to get a triangle that isn't a clone of the original. Again, moving or turning the triangle around does not change its size. Therefore it cannot work, because you would still have a congruent triangle.

OpenStudy (kittiwitti1):

If you moved a cell phone three feet on a desk, is the cell phone still the same as it was before you moved it?

OpenStudy (kittiwitti1):

Now if you hit the phone with a shrink ray, would the cell phone still be exactly the same as before?

OpenStudy (peridot):

A?

OpenStudy (kittiwitti1):

Yep ☺

OpenStudy (peridot):

Finally, GOD!!!

OpenStudy (peridot):

Thanks

OpenStudy (kittiwitti1):

Hope my analogy worked. :p No problem, good luck on your studies!

OpenStudy (peridot):

You too!

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