Q198
If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is
A.
R (θ + tan θ)
B.
2R (θ + tan θ)
C.
R (θ + cos θ)
D.
2R (θ + cos θ)
AnswerAnswer: Option D
Solution
Answer: Option D
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