Stretching and Shrinking Review
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for two shapes to be similar?
Back
Two shapes are similar if their corresponding angles are equal and the ratios of their corresponding sides are equal.
2.
FLASHCARD QUESTION
Front
How does a scale factor of 3 affect the dimensions of a shape?
Back
A scale factor of 3 means that each dimension of the shape is multiplied by 3, making the shape larger.
3.
FLASHCARD QUESTION
Front
What happens to the perimeter of a shape when the scale factor is 1/2?
Back
The new perimeter is 1/2 the size of the original perimeter.
4.
FLASHCARD QUESTION
Front
What are corresponding sides?
Back
Corresponding sides are the sides of two shapes that are in the same relative position.
5.
FLASHCARD QUESTION
Front
If a shape is enlarged by a scale factor of 4, how does this affect the area?
Back
The area of the shape becomes 16 times larger because area scales by the square of the scale factor.
6.
FLASHCARD QUESTION
Front
What is the rule for translating a figure 3 units left and 2 units up?
Back
(x - 3, y + 2) is the rule for this translation.
7.
FLASHCARD QUESTION
Front
What is the relationship between corresponding angles in similar shapes?
Back
In similar shapes, corresponding angles are always equal.
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