Flashcard 1: Similar Triangles Part 1

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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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.
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, the triangles are similar.
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, the triangles are similar.
4.
FLASHCARD QUESTION
Front
What is the SSS criterion for triangle similarity?
Back
If the three sides of one triangle are in proportion to the three sides of another triangle, the triangles are similar.
5.
FLASHCARD QUESTION
Front
How do you determine if triangles are similar using proportions?
Back
Set up a proportion comparing the lengths of corresponding sides and check if the ratios are equal.
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and AB = 4, AC = 6, and DE = 8, what is the length of DF?
Back
DF = 12 (using the ratio of similarity: 4/8 = 6/X).
7.
FLASHCARD QUESTION
Front
What is a scale factor in similar triangles?
Back
The ratio of the lengths of corresponding sides of two similar triangles.
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