Scale Factor
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, some quantity. It is used to determine the proportional relationship between two similar figures.
Tags
CCSS.7.G.A.1
2.
FLASHCARD QUESTION
Front
How do you determine the scale factor between two similar triangles?
Back
To determine the scale factor between two similar triangles, divide the length of a side of one triangle by the corresponding side of the other triangle.
Tags
CCSS.7.G.A.1
3.
FLASHCARD QUESTION
Front
What happens to the size of a figure when the scale factor is greater than 1?
Back
When the scale factor is greater than 1, the figure undergoes an enlargement.
Tags
CCSS.8.G.A.3
4.
FLASHCARD QUESTION
Front
What happens to the size of a figure when the scale factor is less than 1?
Back
When the scale factor is less than 1, the figure undergoes a reduction.
Tags
CCSS.8.G.A.3
5.
FLASHCARD QUESTION
Front
If the scale factor from ΔDEF to ΔABC is 2, what does this imply about the sides of the triangles?
Back
It implies that each side of ΔABC is twice the length of the corresponding side of ΔDEF.
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
What is the relationship between scale factors and area?
Back
The area of similar figures is proportional to the square of the scale factor.
Tags
CCSS.7.G.A.1
7.
FLASHCARD QUESTION
Front
If the scale factor is 1/2, how does this affect the area of the figure?
Back
The area of the new figure will be 1/4 of the area of the original figure.
Tags
CCSS.7.G.A.1
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