1.2 Dilations/Simliar Figures
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a dilation in geometry?
Back
A dilation is a transformation that changes the size of a figure but not its shape, using a center point and a scale factor.
2.
FLASHCARD QUESTION
Front
What does the scale factor in a dilation represent?
Back
The scale factor indicates how much the figure will be enlarged or reduced. A scale factor greater than 1 enlarges the figure, while a scale factor less than 1 reduces it.
3.
FLASHCARD QUESTION
Front
If the scale factor is ½, what happens to the size of the figure?
Back
The figure is reduced to half its original size.
4.
FLASHCARD QUESTION
Front
What is the effect of a scale factor of 2 on a figure?
Back
The figure is enlarged to twice its original size.
5.
FLASHCARD QUESTION
Front
How do you determine the new position of a point after dilation?
Back
To find the new position, multiply the distance from the center of dilation by the scale factor.
6.
FLASHCARD QUESTION
Front
If point A is 4 units away from point P and the scale factor is 2, how far is point A' from point P after dilation?
Back
Point A' will be 8 units away from point P after dilation.
7.
FLASHCARD QUESTION
Front
What happens to the angles of a figure during a dilation?
Back
The angles of the figure remain the same during a dilation.
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