6. An entry window consisting of a rectangle topped with a semi-circle is to have a perimeter of 20 feet. Find the radius of the semicircle if the area of the window is to be maximized. K- 2r

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.CR: Review Exercises
Problem 38CR: Prove that if semicircles are constructed on each of the sides of a right triangle, then the area of...
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6.
An entry window consisting of a rectangle topped with a semi-circle is to have a
perimeter of 20 feet. Find the radius of the semicircle if the area of the window is to be maximized.
2r
Transcribed Image Text:6. An entry window consisting of a rectangle topped with a semi-circle is to have a perimeter of 20 feet. Find the radius of the semicircle if the area of the window is to be maximized. 2r
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