2. The cross-section of an irrigation canal is an isosceles trapezoid of which three sides are 8 ft. Determine the angle of elevation 0 of the sides such that the area of the cross section is maximum. See figure below.

2. The cross-section of an irrigation canal is an isosceles trapezoid of which three sides are 8 ft. Determine the angle of elevation 0 of the sides such that the area of the cross section is maximum. See figure below.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.1: Prisms, Area And Volume

Problem 30E: A storage shed is in the shape of a trapezoidal prism. Each trapezoid represents one of its bases....

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Question

2. The cross-section of an irrigation canal is an isosceles
trapezoid of which three sides are 8 ft. Determine the angle of
elevation 0 of the sides such that the area of the cross section is
maximum. See figure below.

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