Similar Figures

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+2
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What are similar figures?
Back
Similar figures are shapes 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 are corresponding sides?
Back
Corresponding sides are the sides of similar figures that are in the same relative position. For example, if two triangles are similar, the side lengths of one triangle correspond to the side lengths of the other.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
3.
FLASHCARD QUESTION
Front
How do you find missing side lengths in similar figures?
Back
To find missing side lengths in similar figures, set up a proportion using the lengths of the corresponding sides.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
If two triangles are similar and one side of the first triangle is 3 cm and the corresponding side of the second triangle is 9 cm, what is the scale factor?
Back
The scale factor is 3:1.
Tags
CCSS.7.G.A.1
5.
FLASHCARD QUESTION
Front
What is the relationship between corresponding angles in similar figures?
Back
In similar figures, corresponding angles are equal.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and the length of side AB is 4 cm and side DE is 8 cm, what is the ratio of their corresponding sides?
Back
The ratio of their corresponding sides is 1:2.
Tags
CCSS.HSG.SRT.A.2
7.
FLASHCARD QUESTION
Front
What is a proportion?
Back
A proportion is an equation that states that two ratios are equal.
Tags
CCSS.7.RP.A.2A
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