Similar Figures

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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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.
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.
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.
4.
FLASHCARD QUESTION
Front
If the sides of two similar triangles are in the ratio 2:3, what is the ratio of their areas?
Back
The ratio of their areas is the square of the ratio of their sides, so it would be 4:9.
5.
FLASHCARD QUESTION
Front
How do you find a missing side length in similar figures?
Back
To find a missing side length, set up a proportion using the lengths of corresponding sides from the similar figures.
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and AB = 6, DE = 9, what is the scale factor?
Back
The scale factor is 9/6 or 3/2.
7.
FLASHCARD QUESTION
Front
What is the relationship between the perimeters of similar figures?
Back
The ratio of the perimeters of similar figures is the same as the ratio of their corresponding side lengths.
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