What are similar triangles?
Similar Triangles

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•
Mathematics
•
10th Grade
•
Hard
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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, the triangles are similar (AA ~).
3.
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, the triangles are similar (SSS ~).
4.
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 (SAS ~).
5.
FLASHCARD QUESTION
Front
How do you determine if two triangles are not similar?
Back
If none of the similarity criteria (AA, SSS, SAS) are satisfied, the triangles are not similar.
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, what can be said about their angles?
Back
Angle A = Angle D, Angle B = Angle E, Angle C = Angle F.
7.
FLASHCARD QUESTION
Front
If the sides of triangle ABC are 3, 4, and 5, and triangle DEF is similar to ABC with a scale factor of 2, what are the lengths of the sides of triangle DEF?
Back
The sides of triangle DEF are 6, 8, and 10.
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