anonymous
  • anonymous
In an isometric transformation, the preimage and image must not __________. A. change size B. rotate C. preserve angle measures D. reflect across the x-axis @H3LPN33DED @UsukiDoll @donmath1.2 @shanemc1010 @mathmate
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
D
UsukiDoll
  • UsukiDoll
I remembered what isometry is AND IT NOT D!
UsukiDoll
  • UsukiDoll
*IT IS NOT D!

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More answers

mathmate
  • mathmate
Let's analyze the word "isometric". iso = same metric = measure. So you can figure out what kind of transformation it is!
UsukiDoll
  • UsukiDoll
easy example for isometry consider a square... what shape does it have if I rotate it 90 degrees clockwise?
UsukiDoll
  • UsukiDoll
if I rotate a square 90 degrees clockwise then _____________
anonymous
  • anonymous
it stays the same right?
UsukiDoll
  • UsukiDoll
think about dice. yes it does stay the same
UsukiDoll
  • UsukiDoll
a square rotated 90 degrees clockwise still retains the shape... I can rotate again and again and I will have that square
anonymous
  • anonymous
so it doesnt need to preserve angle measures?
UsukiDoll
  • UsukiDoll
no.. isometry preserves the shape of an object.
UsukiDoll
  • UsukiDoll
the isometric transformations are nuts though...depending on what you are being presented.
UsukiDoll
  • UsukiDoll
isometric transformations <- glide reflection, translation, rotation, reflection
UsukiDoll
  • UsukiDoll
I remember reflecting and rotating a LOT when I did isometric transformations
UsukiDoll
  • UsukiDoll
so based on what I wrote, which choices can we throw out?
anonymous
  • anonymous
A and B
UsukiDoll
  • UsukiDoll
We can throw out B because rotation is an isometric transformation...
UsukiDoll
  • UsukiDoll
there's one more answer choice that can be thrown out... remember what I wrote about the different isometric transformations ?
UsukiDoll
  • UsukiDoll
I mentioned that word twice.
anonymous
  • anonymous
D
UsukiDoll
  • UsukiDoll
yes... consider the b d p q letter if I pick d then I can use vertical reflection d b and I have a b |dw:1435065852461:dw|
UsukiDoll
  • UsukiDoll
so we are left with A. change size C. preserve angles
anonymous
  • anonymous
ok
UsukiDoll
  • UsukiDoll
This has something to do with the definition of Isometric Transformations. I only gave the definition of Isometry and that's preserve it's shape.. Isometric Transformation definition, however, tells us more AN Isometric Transformation is a transformation that preserves the distances and angles between an image and pre-image. In an Isometric Transformation the image is exactly the same size and shape as the pre-image.
UsukiDoll
  • UsukiDoll
do you see any terms that look familiar to your remaining choices?
anonymous
  • anonymous
It would be A
UsukiDoll
  • UsukiDoll
yup because a shape that changes size is a non-isometric transformation.
anonymous
  • anonymous
So a is correct
anonymous
  • anonymous
did i earn a medal
anonymous
  • anonymous
???
anonymous
  • anonymous
ok thanks
UsukiDoll
  • UsukiDoll
I want medals XD.
UsukiDoll
  • UsukiDoll
yay :D
anonymous
  • anonymous
me too
UsukiDoll
  • UsukiDoll
@mathmate can give you one... but you kind of stole my stuff x(
UsukiDoll
  • UsukiDoll
wait what just happened? *scrolls up*
anonymous
  • anonymous
no i stole googles stuff lol
UsukiDoll
  • UsukiDoll
O___________________________________o oh embarrassing XD It's probably because you two are orange so my mind was focused on something else and then your colors blended in.
UsukiDoll
  • UsukiDoll
you know what's weird. When I did my modeling project, my professor said just replicate it... like write it in my own words. I asked if it was plagiarism or a rip off. He was like as long as I don't republish the article, then it's fine. What the heck?
mathmate
  • mathmate
@UsukiDoll :) thank you for your generosity. Your appreciation is sufficient!
UsukiDoll
  • UsukiDoll
I think rip offs are harder to find in Math because the result is the same whereas in English you can tell based on the sentence structure
anonymous
  • anonymous
true
UsukiDoll
  • UsukiDoll
Ok I need sleep way past my bed time night,

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