# Lesson 9 - Lesson 9 Example #1: a. A farmer plans to use...

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Lesson 9 Example #1: a. A farmer plans to use 360 feet of fencing to enclose a rectangular region, using part of a straight river bank instead of fencing on one side, as shown in the figure. Find the area of the region if the length of the side parallel to the river bank is a. three times the length of an adjacent side b. one-fourth the length of an adjacent side c. the same as the length of an adjacent side

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b. Shown in the figure is a cross section of a design for a two- story home. The center height of the second story has not yet been determined. Find such that the second story will have the same cross-sectional area as the first story, assuming ± is 8 feet.
c. A stained-glass window is being designed in the shape of a rectangle surmounted by a semicircle. The width of the window is to be 3 feet, but the height is yet to be determined. If 24 ±² ³ of glass is to be used, find the height .

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d. A large grain silo is to be constructed in the shape of a circular cylinder with a hemisphere attached to the top. The diameter of the silo is to be 30 feet, but the height is
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Lesson 9 - Lesson 9 Example #1: a. A farmer plans to use...

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