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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
8 Nov 2021

Given information

Given the perimeter of the window is .

Step-by-step explanation

Step 1.

The greatest possible amount of light will be admitted if the area of the window is maximum .

Let denote half the width of the rectangle (so is the radius of the semicircle) and denote height of the rectangle.

Then the perimeter of the window is 

 

Perimeter of the window is 30 ft.  

 

----(1) .

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