Similar Triangles
Flashcard
•
Mathematics
•
10th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What are similar triangles?
Back
Triangles that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
What is the Angle-Angle (AA) similarity criterion?
Back
If two angles of one triangle are equal to two angles of another triangle, then the triangles are similar.
Tags
CCSS.HSG.SRT.A.2
3.
FLASHCARD QUESTION
Front
What is the Side-Side-Side (SSS) similarity criterion?
Back
If the corresponding sides of two triangles are in proportion, then the triangles are similar.
Tags
CCSS.HSG.SRT.B.5
4.
FLASHCARD QUESTION
Front
What is the Side-Angle-Side (SAS) similarity criterion?
Back
If one angle of a triangle is equal to one angle of another triangle and the sides including these angles are in proportion, then the triangles are similar.
Tags
CCSS.HSG.SRT.B.5
5.
FLASHCARD QUESTION
Front
How do you find the scale factor of similar triangles?
Back
The scale factor is the ratio of the lengths of corresponding sides of two similar triangles.
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
If triangle A has sides of lengths 3, 4, and 5, and triangle B has sides of lengths 6, 8, and 10, are they similar?
Back
Yes, they are similar by SSS because the sides are in proportion (1:2).
Tags
CCSS.HSG.SRT.A.2
7.
FLASHCARD QUESTION
Front
What is the relationship between the areas of similar triangles?
Back
The ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides.
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