Circles - Area and Circumference
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
Area = π * r², where r is the radius.
Tags
CCSS.7.G.B.4
2.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
Circumference = 2 * π * r, where r is the radius.
Tags
CCSS.7.G.B.4
3.
FLASHCARD QUESTION
Front
What does the term 'radius' mean in relation to a circle?
Back
The radius is the distance from the center of the circle to any point on its circumference.
4.
FLASHCARD QUESTION
Front
What does the term 'diameter' mean in relation to a circle?
Back
The diameter is a line segment that passes through the center of the circle and connects two points on its circumference. It is twice the length of the radius.
Tags
CCSS.HSG.C.A.2
5.
FLASHCARD QUESTION
Front
How do you find the radius if you know the diameter?
Back
Radius = Diameter / 2.
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
What is the relationship between the radius and the diameter of a circle?
Back
The diameter is twice the length of the radius.
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
What is the area of a circle with a radius of 5 units?
Back
Area = π * (5)² = 25π ≈ 78.54 square units.
Tags
CCSS.7.G.B.4
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