A 9 ft wide sheet of metal is used to make a water trough by bending up, at an angle 8, a 3 ft wide strip on each side. What angle would maximize the cross-sectional area, and therefore the volume, of the trough? 3 A 3 A

A 9 ft wide sheet of metal is used to make a water trough by bending up, at an angle 8, a 3 ft wide strip on each side. What angle would maximize the cross-sectional area, and therefore the volume, of the trough? 3 A 3 A

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

Section9.3: Cylinders And Cones

Problem 36E: For a right circular cone, the slant height has a measure equal to twice that of the radius length...

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Question

A 9 ft wide sheet of metal is used to make a water trough by bending up, at an
angle 0, a 3 ft wide strip on each side. What angle would maximize the cross-sectional area,
and therefore the volume, of the trough?
3 ft
9 ft
3 ft
3 ft

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