Similar Triangles
Flashcard
•
Mathematics
•
10th Grade
•
Hard
+2
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 proportional.
Tags
CCSS.HSG.CO.B.6
CCSS.8.G.A.2
2.
FLASHCARD QUESTION
Front
What is the criterion for triangle similarity?
Back
Two triangles are similar if their corresponding angles are equal (AA criterion) or if the lengths of their corresponding sides are proportional (SAS or SSS criteria).
Tags
CCSS.HSG.SRT.B.5
3.
FLASHCARD QUESTION
Front
If triangle A is similar to triangle B, what can be said about their corresponding angles?
Back
The corresponding angles of triangle A and triangle B are congruent.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
If two triangles have sides in the ratio 2:3, are they similar?
Back
Not necessarily; we also need to check if their corresponding angles are equal.
Tags
CCSS.HSG.CO.B.6
CCSS.8.G.A.2
5.
FLASHCARD QUESTION
Front
In similar polygons, what is true about the ratios of their corresponding sides?
Back
The ratios of their corresponding sides are proportional.
Tags
CCSS.HSG.CO.B.6
CCSS.8.G.A.2
6.
FLASHCARD QUESTION
Front
What does it mean for two angles to be congruent?
Back
Two angles are congruent if they have the same measure.
Tags
CCSS.8.G.A.2
7.
FLASHCARD QUESTION
Front
If triangle A has sides of lengths 3, 4, and 5, what are the lengths of the corresponding sides of a similar triangle with a scale factor of 2?
Back
The corresponding sides would be 6, 8, and 10.
Tags
CCSS.HSG.CO.B.6
CCSS.8.G.A.2
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