Similar Figures
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 figures?
Back
Similar figures are shapes that have the same shape but may differ in size. Their corresponding angles are equal, and the lengths of their corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
What is the scale factor in similar figures?
Back
The scale factor is the ratio of the lengths of corresponding sides of two similar figures. It indicates how much one figure has been enlarged or reduced compared to the other.
Tags
CCSS.7.G.A.1
3.
FLASHCARD QUESTION
Front
If two triangles are similar, what can be said about their angles?
Back
If two triangles are similar, their corresponding angles are equal.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
If the sides of two similar triangles are in the ratio 2:3, what is the ratio of their areas?
Back
The ratio of the areas of two similar triangles is the square of the ratio of their corresponding sides. Therefore, the area ratio is (2^2):(3^2) = 4:9.
5.
FLASHCARD QUESTION
Front
How do you find a missing side in similar figures?
Back
To find a missing side in similar figures, set up a proportion using the lengths of the corresponding sides and solve for the unknown.
Tags
CCSS.HSG.SRT.A.2
6.
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
7.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, and AB = 4 cm, DE = 8 cm, what is the scale factor?
Back
The scale factor is 8/4 = 2.
Tags
CCSS.HSG.SRT.A.2
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