Similar Triangles
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
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) similarity criterion?
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) similarity criterion?
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) similarity criterion?
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
How do you find the missing angle in similar triangles?
Back
Use the property that the sum of angles in a triangle is 180 degrees. If two angles are known, subtract their sum from 180 to find the missing angle.
Tags
CCSS.HSG.SRT.A.2
6.
FLASHCARD QUESTION
Front
If triangle A has angles 30° and 60°, what are the angles of a similar triangle?
Back
The angles of a similar triangle will also be 30° and 60°.
Tags
CCSS.HSG.SRT.A.2
7.
FLASHCARD QUESTION
Front
What does it mean if two triangles are not similar?
Back
It means that their corresponding angles are not equal or their corresponding sides are not in proportion.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
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