There is two questions   1.A window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 15 feet, find the dimensions that will allow the maximum amount of light to enter.     And the other one question is     2. A page of a book is to have an area of 90 in2, with 1-inch margins at the bottom and sides and a ½-inch margin at the top. Find the dimensions of the page that will allow the largest printed area.

Question

 

 

 

 

There is two questions

 

1.A window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 15 feet, find the dimensions that will allow the maximum amount of light to enter.

 

 

And the other one question is

 

 

2. A page of a book is to have an area of 90 in2, with 1-inch margins at the bottom and sides and a ½-inch margin at the top. Find the dimensions of the page that will allow the largest printed area.

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