What is the geometric mean of two heat transfer areas A‚Äö√á√ – McqOptions

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1.	What is the geometric mean of two heat transfer areas A‚Äö√á√Ö and A‚Äö√á√á ?%!
A.	‚Äö√ √∂(A‚Äö√á√Ö . A‚Äö√á√á)
B.	‚Äö√ √∂(A‚Äö√á√Ö + A‚Äö√á√á)
C.	1/2 ‚Äö√ √∂(A‚Äö√á√Ö . A‚Äö√á√á)
D.	2 ‚Äö√ √∂(A‚Äö√á√Ö . A‚Äö√á√á)
Answer» B. ‚Äö√ √∂(A‚Äö√á√Ö + A‚Äö√á√á)

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