Last edited by AlphaRock; April 1st 2009 at 01:43 AM.
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Originally Posted by AlphaRock A window has the shape of a rectangle and the upper portion's shape is a semicircle connected with the rectangle's upper side.
The perimeter = 15 units = 2r+2l+(pi)r
What is the ratio of the circle's radius to the height of the rectangle so that the area of the window is a maximum?
I know how to get the maximum area. But I don't know what the "ratio of the circle's radius to the height of the rectangle" means. using your variables ...
Originally Posted by skeeter using your variables ...
Thanks for making it clear, skeeter.
My answer is: 1/2.
Is that right?
Originally Posted by skeeter
I get Thanks! I see what I did wrong now.
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