What are similar triangles?
Similar Triangles

Flashcard
•
Mathematics
•
10th Grade
•
Hard
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14 questions
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1.
FLASHCARD QUESTION
Front
Back
Triangles that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.
2.
FLASHCARD QUESTION
Front
What is the AA criterion for triangle similarity?
Back
If two angles of one triangle are equal to two angles of another triangle, then the triangles are similar (AA ~).
3.
FLASHCARD QUESTION
Front
What is the SAS criterion for triangle similarity?
Back
If two sides of one triangle are in proportion to two sides of another triangle, and the included angles are equal, then the triangles are similar (SAS ~).
4.
FLASHCARD QUESTION
Front
What is the SSS criterion for triangle similarity?
Back
If the lengths of the corresponding sides of two triangles are in proportion, then the triangles are similar (SSS ~).
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 the two triangles.
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and the lengths of AB and DE are 4 and 8 respectively, what is the scale factor?
Back
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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