Find the value of corrected length for rectangular fin? Where, b is width and t

Question

Find the value of corrected length for rectangular fin?
Where, b is width and t is length of the fin

Options:

A . L C = L + b t/2 (b + t)

B . L C = L + b t/ (b + t)

C . L C = L + 2 (b + t)

D . L C = L + b t

Answer: Option A
Answer: (a).L C = L + b t/2 (b + t)

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