7.4 Practice Scale Factor & Vocabulary
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, a quantity. In geometry, it is the ratio of the lengths of two corresponding sides of similar figures.
2.
FLASHCARD QUESTION
Front
If a square with a side length of 10 inches is dilated to a square with a side length of 2.5 inches, what is the scale factor?
Back
1/4
3.
FLASHCARD QUESTION
Front
A rectangle has dimensions of 4 cm by 6 cm. After a dilation, the rectangle has dimensions of 8 cm by 12 cm. What is the scale factor of this dilation?
Back
2
4.
FLASHCARD QUESTION
Front
What does it mean for figures to be congruent?
Back
Congruent figures are figures that are the SAME size and the SAME shape.
5.
FLASHCARD QUESTION
Front
Does a dilation produce a congruent figure?
Back
False
6.
FLASHCARD QUESTION
Front
What is the result of a dilation with a scale factor greater than 1?
Back
An enlargement of the figure.
7.
FLASHCARD QUESTION
Front
What is the result of a dilation with a scale factor less than 1?
Back
A reduction of the figure.
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