Similar Triangles
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Wayground Content
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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 length of a side in similar triangles?
Back
Use the proportion of the corresponding sides. If triangle ABC is similar to triangle DEF, then AB/DE = AC/DF = BC/EF.
Tags
CCSS.HSG.SRT.A.2
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and AB = 10, DE = 5, what is the ratio of their areas?
Back
The ratio of their areas is the square of the ratio of their corresponding sides. (10/5)² = 4.
7.
FLASHCARD QUESTION
Front
In similar triangles, if one triangle has a height of 6 cm and the corresponding height in the other triangle is 3 cm, what is the ratio of their heights?
Back
The ratio of their heights is 6:3 or 2:1.
Tags
CCSS.HSG.SRT.A.2
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