Scaled Copies
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scaled copy?
Back
A scaled copy is a figure that is proportional in size to another figure, meaning all corresponding lengths are in the same ratio.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
How can you determine if one figure is a scaled copy of another?
Back
To determine if one figure is a scaled copy of another, compare the ratios of corresponding lengths and angles. If they are equal, the figures are scaled copies.
3.
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, which means their corresponding angles are equal and their corresponding sides are in proportion.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
4.
FLASHCARD QUESTION
Front
What is the significance of the scale factor in scaled copies?
Back
The scale factor is the ratio of the lengths of corresponding sides of two similar figures. It indicates how much larger or smaller the scaled copy is compared to the original.
Tags
CCSS.7.G.A.1
5.
FLASHCARD QUESTION
Front
If a triangle has sides of lengths 3, 4, and 5, what would be the lengths of the sides of a scaled copy with a scale factor of 2?
Back
The lengths of the sides of the scaled copy would be 6, 8, and 10.
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
Can a figure be a scaled copy of itself?
Back
Yes, a figure is always a scaled copy of itself with a scale factor of 1.
Tags
CCSS.8.G.A.3
7.
FLASHCARD QUESTION
Front
What is the relationship between the areas of two similar figures with a scale factor of k?
Back
The area of the scaled copy is k^2 times the area of the original figure.
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