7.5C REVIEW
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+2
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for two figures to be similar?
Back
Two figures are similar if they have the same shape but not necessarily the same 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 relationship between the angles of similar figures?
Back
All angles in similar figures are congruent (equal).
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
3.
FLASHCARD QUESTION
Front
If two triangles are similar, how do you find the length of a missing side?
Back
You can use the ratio of the lengths of corresponding sides to set up a proportion and solve for the missing side.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
What is the formula for finding the scale factor between two similar figures?
Back
The scale factor is found by dividing the length of a side of one figure by the length of the corresponding side of the other figure.
Tags
CCSS.7.G.A.1
5.
FLASHCARD QUESTION
Front
If the scale factor of two similar figures is 2:3, what does this mean?
Back
This means that for every 2 units in the first figure, there are 3 units in the second figure.
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
How do you determine if two parallelograms are similar?
Back
Two parallelograms are similar if their corresponding angles are equal and the lengths of their corresponding sides are in proportion.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
7.
FLASHCARD QUESTION
Front
What is the missing side if the corresponding sides of two similar triangles are in the ratio 4:5 and one side of the first triangle is 8?
Back
The missing side is 10, calculated using the proportion 8/10 = 4/5.
Tags
CCSS.HSG.SRT.A.2
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