Finding the Radius and Diameter of Circles
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The diameter of a circle is the distance across the circle through its center, equal to twice the radius.
Tags
CCSS.HSG.C.A.2
2.
FLASHCARD QUESTION
Front
How do you find the diameter if you know the radius?
Back
Multiply the radius by 2. (Diameter = 2 × Radius)
Tags
CCSS.7.G.B.4
3.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
The radius of a circle is the distance from the center of the circle to any point on its circumference.
4.
FLASHCARD QUESTION
Front
How do you find the radius if you know the diameter?
Back
Divide the diameter by 2. (Radius = Diameter ÷ 2)
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
What is the circumference of a circle?
Back
The circumference is the distance around the circle.
6.
FLASHCARD QUESTION
Front
What formula is used to calculate the circumference of a circle?
Back
Circumference = π × Diameter or Circumference = 2 × π × Radius.
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
What is π (pi)?
Back
π (pi) is a mathematical constant approximately equal to 3.14, used in calculations involving circles.
Tags
CCSS.HSG.GMD.A.1
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