Circumference and Area of Circles
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What does area mean?
Back
The amount of space inside a shape.
2.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The distance across the circle through its center.
3.
FLASHCARD QUESTION
Front
The distance halfway across the circle is called the...
Back
Radius.
4.
FLASHCARD QUESTION
Front
What is circumference?
Back
The distance around a circle.
5.
FLASHCARD QUESTION
Front
If the diameter of a circle is 7 cm, what is the radius?
Back
3.5 cm.
6.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
C = πd or C = 2πr.
7.
FLASHCARD QUESTION
Front
If the radius of a circle is 5 cm, what is the area?
Back
78.54 cm² (Area = πr²).
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