Similar Figures
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Hard
+2
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 in proportion.
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 two corresponding sides of 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 figures are similar, what can be said about their angles?
Back
If two figures are similar, all corresponding angles are equal.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
4.
FLASHCARD QUESTION
Front
If a triangle has sides of lengths 3, 4, and 5, what are the lengths of the sides of a similar triangle with a scale factor of 2?
Back
The lengths of the sides of the similar triangle would be 6, 8, and 10.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
5.
FLASHCARD QUESTION
Front
How do you find the height of a similar figure if you know the height of another figure and their shadow lengths?
Back
Use the proportion of the heights to the lengths of their shadows. If height1/shadow1 = height2/shadow2, you can solve for the unknown height.
Tags
CCSS.HSG.SRT.B.5
6.
FLASHCARD QUESTION
Front
What is the relationship between the areas of two similar figures?
Back
The ratio of the areas of two similar figures is equal to the square of the scale factor.
7.
FLASHCARD QUESTION
Front
If a rectangle has a length of 4 cm and a width of 2 cm, what are the dimensions of a similar rectangle with a scale factor of 3?
Back
The dimensions of the similar rectangle would be 12 cm (length) and 6 cm (width).
Tags
CCSS.7.G.A.1
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