Discussion
Statement I: The reference wing area includes the portion carried through the fuselage.
Statement II: Aerodynamic coefficients are meaningless unless the reference area is stated.
In the light of the above statements, choose the correct answer.
Answer: D
Both are correct. The trapezoidal reference extends the edges to the centreline, and since every coefficient is divided by that area, quoting a coefficient without its reference gives a number that cannot be compared with anything.
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