GKFix MCQ Question

How is the radius 'r' determined in the second method for calculating the correction?

• A. By measuring the circumference and using r = C/(2π)
• B. By measuring the diameter 'd' and using r = (1/2)d
• C. By using the formula r = √(A/π) where A is the cross-sectional area
• D. By assuming a standard value based on the tube type