Multiple Choice Question (MCQ)

Question: What formula is used to find the area by a planimeter?
A. M(F.R-I.R +/- 10 N - C)
B. M(F.R+I.R +/- 10 N - C)
C. M(F.R-I.R +/- 10 N + C)
D. M(F.R-I.R +/- N +C)
Correct Answer: M(F.R-I.R +/- 10 N + C)