D88 Activity: Similar Figures
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What are similar figures?
Back
Similar figures are shapes that have the same shape but may differ in size. Their corresponding angles are equal, and the lengths of corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
How do you determine if two figures are similar?
Back
Two figures are similar if their corresponding angles are equal and the ratios of the lengths of their corresponding sides are equal.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
3.
FLASHCARD QUESTION
Front
What is the scale factor in similar figures?
Back
The scale factor is the ratio of the lengths of two corresponding sides of similar figures. It indicates how much one figure has been enlarged or reduced compared to the other.
Tags
CCSS.7.G.A.1
4.
FLASHCARD QUESTION
Front
If two rectangles are similar, what can you say about their areas?
Back
The areas of two similar rectangles are proportional to the square of the scale factor between them.
5.
FLASHCARD QUESTION
Front
Find the missing side length if the scale factor is 3 and one side is 9.
Back
27 (since 9 * 3 = 27).
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
If rectangle ABCD is similar to rectangle EFGH and the length of side AB is 12, what is the length of side EF if the scale factor is 2?
Back
24 (since 12 * 2 = 24).
Tags
CCSS.7.G.A.1
7.
FLASHCARD QUESTION
Front
What is the relationship between the perimeters of similar figures?
Back
The perimeters of similar figures are proportional to the scale factor.
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