Similar Polygons

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
Define similar polygons.
Back
Similar polygons are polygons that have the same shape but may differ in size. Their corresponding angles are equal, and the ratios of 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 polygons?
Back
The scale factor is the ratio of the lengths of corresponding sides of two similar polygons. It indicates how much one polygon is enlarged or reduced compared to the other.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
3.
FLASHCARD QUESTION
Front
If two triangles are similar, what can be said about their corresponding angles?
Back
If two triangles are similar, their corresponding angles are equal.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
If the scale factor of two similar polygons is 2:1, what does this mean?
Back
This means that for every 2 units in one polygon, there is 1 unit in the other polygon, indicating that the first polygon is twice as large as the second.
Tags
CCSS.7.G.A.1
5.
FLASHCARD QUESTION
Front
How do you determine if two polygons are similar?
Back
To determine if two polygons are similar, check if their corresponding angles are equal and if the ratios of their corresponding sides are equal.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
6.
FLASHCARD QUESTION
Front
What is the relationship between the areas of two similar polygons?
Back
The ratio of the areas of two similar polygons is equal to the square of the ratio of their corresponding side lengths.
7.
FLASHCARD QUESTION
Front
If the sides of two similar triangles are in the ratio 3:5, what is the ratio of their areas?
Back
The ratio of their areas is 3²:5², which simplifies to 9:25.
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