What is a scale factor in dilation?
Similar Figures Lessons

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A scale factor is a number that scales, or multiplies, a quantity. In dilation, it determines how much a figure is enlarged or reduced.
2.
FLASHCARD QUESTION
Front
How do you find the height of an object using similar figures?
Back
Set up a proportion comparing the heights and shadow lengths of the objects. Use the formula: height1/shadow1 = height2/shadow2.
3.
FLASHCARD QUESTION
Front
What are corresponding angles?
Back
Corresponding angles are angles that are in the same position on two different parallel lines cut by a transversal.
4.
FLASHCARD QUESTION
Front
What is the relationship between similar figures?
Back
Similar figures have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.
5.
FLASHCARD QUESTION
Front
If point A (4, 6) is dilated by a scale factor of 2, what are the coordinates of the new point?
Back
(8, 12)
6.
FLASHCARD QUESTION
Front
What does it mean to dilate a point?
Back
To dilate a point means to change its position based on a scale factor, either enlarging or reducing its distance from the origin.
7.
FLASHCARD QUESTION
Front
If a triangle has sides of lengths 3, 4, and 5, what are the lengths of the sides of a similar triangle with a scale factor of 2?
Back
6, 8, and 10.
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