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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Question
Give the x-value and y-value in radical expression.
By the way, it says radius before a.
Expert Solution
Step 1
Let x and y be the length and width of the rectangle inscribe in a circle of radius a.
Then the diagonal of the rectangle is the diameter of the circle,
That is
Step 2
Area of the rectangle is
Now,
Thus, area of the rectangle is maximum for
Value of y is
Thus, dimensions of rectangle of greatest area that is inscribed in a circle of radius a are by .
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