Circles - diameter and radius
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
The radius is the distance from the center of the circle to any point on its circumference.
2.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The diameter is the distance across the circle through its center, equal to twice the radius.
Tags
CCSS.HSG.C.A.2
3.
FLASHCARD QUESTION
Front
If the radius of a circle is 9, what is the diameter?
Back
The diameter is 18 (Diameter = 2 x Radius).
Tags
CCSS.7.G.B.4
4.
FLASHCARD QUESTION
Front
If the diameter of a circle is 14, what is the radius?
Back
The radius is 7 (Radius = Diameter / 2).
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
What is the relationship between radius and diameter?
Back
The diameter is always twice the length of the radius.
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
If the radius of a circle is 13, what is the diameter?
Back
The diameter is 26 (Diameter = 2 x Radius).
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
If the radius of a circle is 25, what is the diameter?
Back
The diameter is 50 (Diameter = 2 x Radius).
Tags
CCSS.7.G.B.4
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