Similar Figures and Proportions Review
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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.
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.
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 scale factor from ΔDEF to ΔABC is 1/2, what does this mean?
Back
It means that each side of ΔDEF is half the length of the corresponding side of ΔABC.
5.
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.
6.
FLASHCARD QUESTION
Front
Solve for the missing side: If the sides of two similar triangles are in the ratio 2:5 and one side of the smaller triangle is 8, what is the corresponding side of the larger triangle?
Back
20 (Set up the proportion: 2/5 = 8/x, solve for x).
7.
FLASHCARD QUESTION
Front
What is the relationship between the areas of two similar figures?
Back
The ratio of their areas is equal to the square of the ratio of their corresponding side lengths.
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