Unit 5 Test Review

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•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for two triangles to be similar?
Back
Two triangles are similar if their corresponding angles are equal and their corresponding sides are in proportion.
2.
FLASHCARD QUESTION
Front
How do you find the value of x in similar triangles?
Back
You can use the property of proportionality of corresponding sides to set up a proportion and solve for x.
3.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
4.
FLASHCARD QUESTION
Front
If triangle ADE is similar to triangle ABC, and the lengths of sides are in the ratio 2:3, what is the value of x if one side of triangle ADE is 4?
Back
x = 6 (because 4/2 = x/3).
5.
FLASHCARD QUESTION
Front
What is the formula for finding the missing side length in similar figures?
Back
If a/b = c/d, then ad = bc, where a and b are sides of one figure and c and d are corresponding sides of another.
6.
FLASHCARD QUESTION
Front
If two polygons are similar, what can be said about their corresponding angles?
Back
The corresponding angles of similar polygons are equal.
7.
FLASHCARD QUESTION
Front
What is the relationship between the areas of two similar figures?
Back
The ratio of their areas is the square of the ratio of their corresponding side lengths.
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