Dilations and Parts of Similar Figures

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a dilation in geometry?
Back
A dilation is a transformation that alters the size of a figure but maintains its shape, defined by a scale factor.
Tags
CCSS.8.G.A.3
2.
FLASHCARD QUESTION
Front
What is the scale factor in a dilation?
Back
The scale factor is the ratio of the length of a side of the image to the length of the corresponding side of the original figure.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
How do you determine if two triangles are similar?
Back
Two triangles are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
What is the Triangle Proportionality Theorem?
Back
The Triangle Proportionality Theorem states that if a line is drawn parallel to one side of a triangle, it divides the other two sides proportionally.
Tags
CCSS.HSG.SRT.A.2
5.
FLASHCARD QUESTION
Front
What is the relationship between similar figures and their areas?
Back
The ratio of the areas of two similar figures is equal to the square of the ratio of their corresponding side lengths.
6.
FLASHCARD QUESTION
Front
How do you find the length of a side in similar triangles?
Back
To find the length of a side in similar triangles, set up a proportion using the lengths of corresponding sides.
Tags
CCSS.HSG.SRT.A.2
7.
FLASHCARD QUESTION
Front
What is the definition of corresponding sides in similar figures?
Back
Corresponding sides are the sides of two or more similar figures that are in the same relative position.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
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