What is a scale factor?
Similar Notation & Scale Factor Flashcard

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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, some quantity. It is used to determine how much a figure is enlarged or reduced.
2.
FLASHCARD QUESTION
Front
If the scale factor is greater than one, what happens to the figure?
Back
The figure will be enlarged.
3.
FLASHCARD QUESTION
Front
If the scale factor is less than one, what happens to the figure?
Back
The figure will be reduced.
4.
FLASHCARD QUESTION
Front
What is the formula for calculating the scale factor?
Back
5.
FLASHCARD QUESTION
Front
What does it mean for two figures to be similar?
Back
Two figures are similar if they have the same shape but not necessarily the same size, and their corresponding angles are equal.
6.
FLASHCARD QUESTION
Front
How do you find the corresponding angle in similar figures?
Back
The corresponding angle in similar figures is the angle that is in the same position in both figures.
7.
FLASHCARD QUESTION
Front
What is the scale factor from triangle ABC to triangle DEF if the sides of DEF are twice as long as those of ABC?
Back
The scale factor is 2/1.
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