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13 Jul 2020
For the construction of a Norman window frame (the shape of the window is a rectangle with a semi-circle on top), 
of materials will be used. What would be the radius of the semicircle to maximize the area of the window hole?
For the construction of a Norman window frame (the shape of the window is a rectangle with a semi-circle on top), of materials will be used. What would be the radius of the semicircle to maximize the area of the window hole?
Zhen ZhuLv5
13 Jul 2020
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. Find the radius of the semicircle of the Norman window such that when the window is installed into the wall, maximum air circulation is possible. 
. Find out the maximum area of the window.