solving proportions/similar figures

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
The term 'corresponding' means ...
Back
matching
2.
FLASHCARD QUESTION
Front
For the pair of similar figures, find the length of each side marked with a variable: If one side is 3 in and the corresponding side is marked as x, and the scale factor is 1:2, what is x?
Back
x = 6 in
3.
FLASHCARD QUESTION
Front
CHALLENGE! Solve for x: 2/3 = x/12. What is x?
Back
x = 8
4.
FLASHCARD QUESTION
Front
The _________ tells us how many times larger or smaller a figure is from the original.
Back
Scale factor
5.
FLASHCARD QUESTION
Front
If two figures are similar and the lengths of their corresponding sides are in the ratio 3:5, what is the scale factor from the smaller figure to the larger figure?
Back
5/3
6.
FLASHCARD QUESTION
Front
If a triangle has sides of lengths 6, 8, and 10, and a similar triangle has a side of length 12, what is the length of the corresponding side?
Back
Length = 16 (using scale factor 2)
7.
FLASHCARD QUESTION
Front
If the scale factor of two similar figures is 4:1, and the area of the smaller figure is 9 square units, what is the area of the larger figure?
Back
Area = 36 square units (scale factor squared)
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