anonymous
  • anonymous
The vertices of a polygon are given. Name the coordinates of the vertices of the image after a counterclockwise rotation of the given number of degrees about the origin. D(1,-4), E(2,0), F(5,-2); 270° (Counter-clockwise)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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amilapsn
  • amilapsn
|dw:1440162805606:dw|
amilapsn
  • amilapsn
^graphical representation^
amilapsn
  • amilapsn
Can you name the points of the parent image and its corresponding points in its image?

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anonymous
  • anonymous
I did name the coordinates before but I got it wrong
amilapsn
  • amilapsn
I'll mark the points of the preimage....
anonymous
  • anonymous
I mean 2,0
amilapsn
  • amilapsn
|dw:1440163319558:dw|
amilapsn
  • amilapsn
Can you mark the corresponding points in the image as \(D^/\), \(E^/\) and \(F^/\)
anonymous
  • anonymous
(0,-2), (-4,-1), (-2,-5)
anonymous
  • anonymous
Is that correct
amilapsn
  • amilapsn
Hmm let's see... Can you mark them in the diagram... ? (click on the top right corner pencil of the drawing I posted last) I'll show how to get the corresponding point of D which is \(D^/\)
amilapsn
  • amilapsn
|dw:1440163910523:dw|
amilapsn
  • amilapsn
got that?
anonymous
  • anonymous
|dw:1440164206737:dw|
amilapsn
  • amilapsn
Gotcha! Are you confident with the method?
amilapsn
  • amilapsn
Or else I can explain it little more.
anonymous
  • anonymous
Could you help me on one more
amilapsn
  • amilapsn
Wait please... Are you confident with last question?
anonymous
  • anonymous
Yes I am confident with how to do that problem but not a another one like it.
amilapsn
  • amilapsn
Ok shall we do a simple example of rotating a point with reference to origin?
anonymous
  • anonymous
Sure because that's what I'm struggling with. The rotating part
amilapsn
  • amilapsn
If you know that you can do any question like that... :)
amilapsn
  • amilapsn
Let's begin with a simple one ok?
anonymous
  • anonymous
ok
amilapsn
  • amilapsn
|dw:1440165479715:dw| You've to rotate point A 90 degrees (anti clockwise) with respect origin ok?