A water channel has the cross section of an isosceles trapezoid. See Fig. 4.76. (a) Show that

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A water channel has the cross section of an isosceles trapezoid. See Fig. 4.76.

(a) Show that a formula for the area of the cross section is A= bh + h²cot θ.

(b) Find A if b =12.6 ft, h = 4.75 ft, and θ = 37.2°.

Fig. 4.76.

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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Question Posted: Mar 19, 2023 06:43 AM

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A water channel has the cross section of an isosceles trapezoid. See Fig. 4.76. (a) Show that

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Basic Technical Mathematics

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