GRE Problem Solving Question 160
Home > GRE Test > GRE Problem Solving Questions
Next steps
- Use your browser's back button to return to your test results.
- Do more GRE Problem Solving Questions.
Source: OG2
The relationship between the area A of a circle and its circumference C is given by the formula A = 
，where k is a constant. What is the value of k ?
- A
- B
- C
- D
- E
