Question
Math: which of the following expressions correctly shows the relationship between the circumference and the area of a circle?
1 C = 2πr
2. c/d = π
3. C^2 = 4πA
4. A = πr^2
1 C = 2πr
2. c/d = π
3. C^2 = 4πA
4. A = πr^2
Answers
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GPT 3.5
4. A = πr^2
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