To determine The equation to describe the perimeter of the cross section of the ellipse with width 8.4 ft and thickness 1.2 ft. Explanation Definition used: Equation of an ellipse with center at ( 0 , 0 ) , and major axis along x-axis: “An equation of the ellipse with center at ( 0 , 0 ) , foci at ( ± c , 0 ) ( 0 , ± c ) , ends of the minor axis at ( 0 , ± b ) and vertices at ( ± a , 0 ) is x 2 a 2 + y 2 b 2 = 1 where a > b > 0 and b 2 = a 2 − c 2 .” Calculation: It is given that the ellipse has width 8.4 ft and thickness 1.2 ft. That is, the major axis of ellipse is of length 8.4 and minor axis is of length 1.2 ft. It is known that the length of the major axis and minor axis are 2 a and 2 b respectively. That is, 2 a = 8.4 a = 4

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ISBN: 9780134437705

Author: Washington

Publisher: PEARSON

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Chapter 21.5, Problem 52E

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The equation to describe the perimeter of the cross section of the ellipse with width 8.4 ft and thickness 1.2 ft.

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Chapter 21.5, Problem 51E

Chapter 21.5, Problem 53E

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