If the straight sides of a triangular section of a lined canal with ci – McqOptions

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1.	If the straight sides of a triangular section of a lined canal with circular bottom of radius , 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)
E.	none of these.
Answer» E. none of these.

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