Similar Figures & Scale Factor

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for sides in similar figures?
Back
Sides in similar figures must be proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
If a tree is 12 feet tall and casts a shadow 9 feet long, and a building casts a shadow 24 feet long, how tall is the building?
Back
32 feet
Tags
CCSS.HSG.SRT.B.4
3.
FLASHCARD QUESTION
Front
What must be true about the angles of similar triangles?
Back
They have corresponding angles that are congruent.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
What is a rate where the comparison is to one unit?
Back
Unit Rate
5.
FLASHCARD QUESTION
Front
If two figures are similar, what can we say about their corresponding sides?
Back
Their corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
6.
FLASHCARD QUESTION
Front
What is the scale factor if two similar figures have a ratio of 2:3?
Back
The scale factor is 2/3.
Tags
CCSS.7.G.A.1
7.
FLASHCARD QUESTION
Front
How do you find the missing side in similar figures?
Back
Set up a proportion using the known sides.
Tags
CCSS.HSG.SRT.A.2
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