Area and Circumference of Circles
Flashcard
•
Mathematics
•
6th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
C = 2πr, where C is the circumference and r is the radius.
Tags
CCSS.7.G.B.4
2.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
A = πr², where A is the area and r is the radius.
Tags
CCSS.7.G.B.4
3.
FLASHCARD QUESTION
Front
What is the radius of a circle?
Back
The measurement from the center of a circle to an edge of the circle.
4.
FLASHCARD QUESTION
Front
What is the diameter of a circle?
Back
The measurement from one edge of the circle to the opposite edge, passing through the center. It is twice the radius.
Tags
CCSS.HSG.C.A.2
5.
FLASHCARD QUESTION
Front
If a circle has a radius of 6 inches, what is its circumference?
Back
12π or about 37.68 inches.
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
If a circle has a radius of 12.5 mm, what is its circumference?
Back
78.5 mm.
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
What does π (pi) represent in circle calculations?
Back
π is a constant approximately equal to 3.14, used in calculations involving circles.
Tags
CCSS.HSG.GMD.A.1
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