Similar Figures
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Wayground Content
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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 their corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
What is the scale factor in similar figures?
Back
The scale factor is the ratio of the lengths of corresponding sides of two similar figures. It indicates how much one figure has been enlarged or reduced compared to the other.
Tags
CCSS.7.G.A.1
3.
FLASHCARD QUESTION
Front
If two triangles are similar, what can be said about their angles?
Back
If two triangles are similar, their corresponding angles are equal.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
How do you find the missing side of similar figures?
Back
To find the missing side, set up a proportion using the lengths of the corresponding sides of the similar figures.
Tags
CCSS.HSG.SRT.A.2
5.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and AB = 4 cm, DE = 8 cm, what is the scale factor?
Back
The scale factor is 2:1, meaning triangle DEF is twice the size of triangle ABC.
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
What is the relationship between the areas of two similar figures?
Back
The ratio of the areas of two similar figures is equal to the square of the ratio of their corresponding side lengths.
7.
FLASHCARD QUESTION
Front
If the scale factor of two similar rectangles is 3:5, what is the ratio of their areas?
Back
The ratio of their areas is 9:25, since (3^2):(5^2) = 9:25.
Tags
CCSS.7.G.A.1
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