Congruent & Similar Transformations

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a congruent transformation?
Back
A transformation that preserves the size and shape of a figure, resulting in a figure that is identical to the original.
2.
FLASHCARD QUESTION
Front
What is a similar transformation?
Back
A transformation that changes the size of a figure but keeps its shape, resulting in a figure that is proportional to the original.
3.
FLASHCARD QUESTION
Front
What happens to the coordinates of a point (x, y) when it is rotated 180° about the origin?
Back
The new coordinates will be (-x, -y).
4.
FLASHCARD QUESTION
Front
What are the coordinates of point A (1, 2) after a 90° clockwise rotation?
Back
(2, -1) using the rule (x, y) → (y, -x).
5.
FLASHCARD QUESTION
Front
What is the scale factor in dilation?
Back
The ratio of the length of a side of the image to the length of the corresponding side of the original figure.
6.
FLASHCARD QUESTION
Front
If the scale factor is less than one, what type of transformation occurs?
Back
A reduction.
7.
FLASHCARD QUESTION
Front
What is the result of dilating a point (3, 4) by a scale factor of 2?
Back
(6, 8).
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