Radius, Diameter, and Circumference of circles
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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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, passing through the center. It is twice the length of the radius.
Tags
CCSS.HSG.C.A.2
3.
FLASHCARD QUESTION
Front
How do you calculate the circumference of a circle?
Back
Circumference can be calculated using the formula: Circumference = π × diameter or Circumference = 2 × π × radius.
Tags
CCSS.7.G.B.4
4.
FLASHCARD QUESTION
Front
If the radius of a circle is 5 ft, what is the diameter?
Back
10 ft
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
If the diameter of a circle is 30 cm, what is the radius?
Back
15 cm
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
What is the value of π (pi) approximately?
Back
π is approximately 3.14.
Tags
CCSS.HSG.GMD.A.1
7.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a diameter of 10 cm?
Back
31.4 cm
Tags
CCSS.7.G.B.4
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