Review of Circles
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the center of a circle?
Back
The point that is equidistant from all points on the circle.
2.
FLASHCARD QUESTION
Front
What is the formula for calculating the circumference of a circle?
Back
Circumference = 2 × π × r (where r is the radius).
3.
FLASHCARD QUESTION
Front
What is a diameter?
Back
A line segment that passes through the center of the circle and has its endpoints on the circle.
4.
FLASHCARD QUESTION
Front
What is a radius?
Back
A line segment from the center of the circle to any point on the circle.
5.
FLASHCARD QUESTION
Front
What is a chord?
Back
A line segment with both endpoints on the circle.
6.
FLASHCARD QUESTION
Front
What is the area of a circle?
Back
Area = π × r² (where r is the radius).
7.
FLASHCARD QUESTION
Front
How do you calculate the circumference if the diameter is known?
Back
Circumference = π × d (where d is the diameter).
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