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anonymous
 one year ago
What set of reflections and rotations would carry rectangle ABCD onto itself?
(a) Rotate 180°, reflect over the xaxis, reflect over the line y=x
(b) Reflect over the xaxis, rotate 180°, reflect over the xaxis
(c) Rotate 180°, reflect over the yaxis, reflect over the line y=x
(d) Reflect over the yaxis, reflect over the xaxis, rotate 180°
anonymous
 one year ago
What set of reflections and rotations would carry rectangle ABCD onto itself? (a) Rotate 180°, reflect over the xaxis, reflect over the line y=x (b) Reflect over the xaxis, rotate 180°, reflect over the xaxis (c) Rotate 180°, reflect over the yaxis, reflect over the line y=x (d) Reflect over the yaxis, reflect over the xaxis, rotate 180°

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perl
 one year ago
Best ResponseYou've already chosen the best response.0Carry onto itself means that the transformation ends up at the same rectangle.

perl
 one year ago
Best ResponseYou've already chosen the best response.0Pick a vertex and execute the transformations.

perl
 one year ago
Best ResponseYou've already chosen the best response.0Let's take the vertex (1,1) a point on that rectangle.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what do i do after i take that point ?

perl
 one year ago
Best ResponseYou've already chosen the best response.0if we rotate it 180 degrees we get (1,1)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So i would rotate all the other points also ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0There is no typo, i copied and paste it straight from the worksheet.

perl
 one year ago
Best ResponseYou've already chosen the best response.0Can we look at part d) What happens when you do the transformations to the point (1,1)

perl
 one year ago
Best ResponseYou've already chosen the best response.0Start with (1,1) Reflect over the yaxis >(1,1) reflect over the xaxis>(1,1) rotate 180°>(1,1)

perl
 one year ago
Best ResponseYou've already chosen the best response.0Notice that you end up at the same point you started with
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