7-5 Parts of Similar Triangles

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Mathematics
•
9th - 10th Grade
•
Hard
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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 Angle-Angle (AA) similarity criterion?
Back
If two angles of one triangle are equal to two angles of another triangle, the triangles are similar.
3.
FLASHCARD QUESTION
Front
How do you find the missing side length in similar triangles?
Back
Use the proportion of corresponding sides. If triangle A has sides a, b, c and triangle B has sides x, y, z, then a/x = b/y = c/z.
4.
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.
5.
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 those angles are in proportion, then the triangles are similar.
6.
FLASHCARD QUESTION
Front
How can you use similar triangles to find heights?
Back
By creating a proportion between the heights and corresponding bases of the triangles formed by the object and its shadow.
7.
FLASHCARD QUESTION
Front
If two triangles are similar, what can you say about their perimeters?
Back
The ratio of their perimeters is the same as the ratio of their corresponding side lengths.
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