CFU Similar Figures
Flashcard
•
Mathematics
•
10th Grade
•
Hard
+2
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 ratio of the perimeters of two similar figures?
Back
The ratio of the perimeters of two similar figures is equal to the ratio of their corresponding side lengths.
3.
FLASHCARD QUESTION
Front
If the ratio of the sides of two similar triangles is 4:11, what is the ratio of their areas?
Back
The ratio of their areas is the square of the ratio of their sides, which is (4/11)² = 16/121.
4.
FLASHCARD QUESTION
Front
What must be true about the angles of similar triangles?
Back
In similar triangles, corresponding angles are congruent.
Tags
CCSS.HSG.SRT.A.2
5.
FLASHCARD QUESTION
Front
How do you find the area of a similar figure if you know the area of the original figure?
Back
To find the area of a similar figure, multiply the area of the original figure by the square of the ratio of their corresponding side lengths.
6.
FLASHCARD QUESTION
Front
If the perimeter of a smaller similar figure is 15 and the ratio of the perimeters is 3:5, what is the perimeter of the larger figure?
Back
The perimeter of the larger figure is 15 * (5/3) = 25.
7.
FLASHCARD QUESTION
Front
What is the relationship between the corresponding sides of similar figures?
Back
The lengths of corresponding sides of similar figures are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
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