Area of a circle
Flashcard
•
Mathematics
•
7th 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 formula for finding the area of a circle?
Back
A = π·r²
Tags
CCSS.7.G.B.4
2.
FLASHCARD QUESTION
Front
What does 'r' represent in the formula A = π·r²?
Back
radius
Tags
CCSS.7.G.B.4
3.
FLASHCARD QUESTION
Front
What is the circumference of a circle?
Back
The distance around a circle.
Tags
CCSS.7.G.B.4
4.
FLASHCARD QUESTION
Front
If the diameter of a circle is 7 cm, what is the radius?
Back
3.5 cm
Tags
CCSS.7.G.B.4
5.
FLASHCARD QUESTION
Front
Calculate the area of a circle with a radius of 4 cm (use π ≈ 3.14).
Back
50.24 cm²
Tags
CCSS.7.G.B.4
6.
FLASHCARD QUESTION
Front
What is the diameter of a circle if the radius is 5 cm?
Back
10 cm
Tags
CCSS.7.G.B.4
7.
FLASHCARD QUESTION
Front
If the area of a circle is 78.5 cm², what is the radius? (Use π ≈ 3.14)
Back
5 cm
Tags
CCSS.7.G.B.4
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