Similar Figures and Proportions A
Flashcard
•
Mathematics
•
7th 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 their corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
What does it mean for two triangles to be similar?
Back
Two triangles are similar if 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
3.
FLASHCARD QUESTION
Front
How do you find the length of a shadow using proportions?
Back
To find the length of a shadow, set up a proportion comparing the height of the object to the length of its shadow, and solve for the unknown shadow length.
Tags
CCSS.HSG.SRT.C.8
4.
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
5.
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
6.
FLASHCARD QUESTION
Front
If a tree is 40 ft tall and casts a shadow of 12 ft, what is the ratio of the tree's height to its shadow?
Back
The ratio is 40:12, which simplifies to 10:3.
7.
FLASHCARD QUESTION
Front
If two triangles have sides in the ratio 2:3, are they similar?
Back
Yes, if their corresponding angles are also equal, they are similar.
Tags
CCSS.HSG.SRT.A.2
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