4-8 Similar Figures and Proportions

Flashcard
•
Mathematics
•
6th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of 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 must be true for two polygons to be similar?
Back
For two polygons to be similar, their corresponding sides must be proportional, and their corresponding angles must be congruent.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
3.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, what can we say about their corresponding sides?
Back
The lengths of the corresponding sides of triangle ABC and triangle DEF are in proportion.
Tags
CCSS.HSG.SRT.A.2
4.
FLASHCARD QUESTION
Front
What is the formula for finding the perimeter of a triangle?
Back
The perimeter of a triangle is the sum of the lengths of all its sides.
Tags
CCSS.3.MD.D.8
5.
FLASHCARD QUESTION
Front
If the sides of two similar triangles are in the ratio 2:3, what is the ratio of their perimeters?
Back
The ratio of their perimeters is also 2:3.
6.
FLASHCARD QUESTION
Front
What does it mean if two shapes are congruent?
Back
Two shapes are congruent if they are the same shape and size, meaning all corresponding sides and angles are equal.
Tags
CCSS.8.G.A.2
7.
FLASHCARD QUESTION
Front
How do you solve a proportion?
Back
To solve a proportion, cross-multiply and then divide to find the unknown value.
Tags
CCSS.7.RP.A.2C
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