CFU Similar Figures

Flashcard
•
Mathematics
•
10th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of similar figures?
Back
Similar figures are shapes that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, some quantity. In the context of similar figures, it is the ratio of the lengths of corresponding sides.
Tags
CCSS.7.G.A.1
3.
FLASHCARD QUESTION
Front
If two triangles are similar, what can be said about their angles?
Back
The corresponding angles of similar triangles are congruent.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
If the scale factor from triangle ABC to triangle DEF is 2, what does this mean?
Back
It means that each side of triangle DEF is twice the length of the corresponding side of triangle ABC.
Tags
CCSS.8.G.A.3
5.
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 lengths of their corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
6.
FLASHCARD QUESTION
Front
What is the relationship between the perimeters of similar figures?
Back
The ratio of the perimeters of similar figures is equal to the ratio of their corresponding side lengths.
7.
FLASHCARD QUESTION
Front
If the side lengths of two similar figures are in the ratio 3:4, what is the ratio of their areas?
Back
The ratio of their areas is the square of the ratio of their side lengths, so (3:4)² = 9:16.
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