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« Back to Previous Page

A. R(θ + tan θ) B. 2R(θ + tan θ) C. R(θ + cos θ) D. 2R(θ + cos θ) E. none of these.
Posted by Civil Engineer
Asked on August 22, 2016 1:42 pm
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D. 2R(θ + cos θ)

Posted by Civil Engineer
Answered on August 22, 2016 1:42 pm