
Area of Circles
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the formula to calculate the area of a circle?
Back
A = πr², where A is the area and r is the radius.
2.
FLASHCARD QUESTION
Front
What is the relationship between diameter and radius?
Back
The diameter is twice the radius. d = 2r.
3.
FLASHCARD QUESTION
Front
If the radius of a circle is 3 m, what is its diameter?
Back
The diameter is 6 m.
4.
FLASHCARD QUESTION
Front
How do you convert diameter to radius?
Back
Divide the diameter by 2.
5.
FLASHCARD QUESTION
Front
What is the area of a circle with a radius of 4 cm?
Back
A = π(4)² = 50.27 cm².
6.
FLASHCARD QUESTION
Front
What is the area of a circle with a diameter of 10 m?
Back
A = π(5)² = 78.54 m².
7.
FLASHCARD QUESTION
Front
If a circle has an area of 154 cm², what is its radius?
Back
r = √(154/π) ≈ 7 cm.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?