Proportionality and Similar Shapes (7th TEKS)
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+7
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. This means 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 definition of proportionality?
Back
Proportionality refers to the relationship between two quantities where their ratio remains constant.
Tags
CCSS.7.RP.A.2A
3.
FLASHCARD QUESTION
Front
How do you find 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
4.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
The circumference (C) of a circle is calculated using the formula C = πd, where d is the diameter.
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
What is the relationship between the diameter and the radius of a circle?
Back
The diameter of a circle is twice the length of the radius. (d = 2r)
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
If two triangles are similar, how do you find the lengths of their corresponding sides?
Back
To find the lengths of corresponding sides, use the ratio of the lengths of the sides of one triangle to the lengths of the sides of the other triangle, which is equal to the scale factor.
Tags
CCSS.HSG.SRT.A.2
7.
FLASHCARD QUESTION
Front
What is 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
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