Similar Triangles
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+1
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) criterion for similarity?
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) criterion for similarity?
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) criterion for similarity?
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
If two triangles are similar, what can be said about their corresponding angles?
Back
All corresponding angles are congruent.
Tags
CCSS.HSG.SRT.A.2
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and the length of side AB is 10 cm and side DE is 5 cm, what is the ratio of their corresponding sides?
Back
The ratio is 2:1.
Tags
CCSS.HSG.SRT.A.2
7.
FLASHCARD QUESTION
Front
What is the relationship between the areas of two similar triangles?
Back
The ratio of their areas is equal to the square of the ratio of their corresponding sides.
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