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Unformatted text preview: (c) Inscribe a regular octagon inside the same circle. That is, draw a regular octagon such that each of its eight vertices touches the circle. Calculate the area of this octagon. A B 27. The picture on the right shows a cube whose sides are of length a > 0. (a) Find the length of the diagonal line segment AB . (b) Find the angle that AB makes with the base of the cube. A B C D Figure 1.3.6 28. In Figure 1.3.6, suppose that , , and AD are known. Show that: (a) BC = AD cot cot (b) AC = AD tan tan tan (c) BD = AD sin sin ( ) ( Hint: What is the measure of the angle ABD ? ) 29. Persons A and B are at the beach, their eyes are 5 ft and 6 ft, respectively, above sea level. How many miles farther out is Person Bs horizon than Person As? (Note: 1 mile = 5280 ft)...
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This note was uploaded on 01/21/2012 for the course MAC 1130 taught by Professor Dr.cheun during the Fall '11 term at FSU.
 Fall '11
 Dr.Cheun
 Calculus, Angles

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