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Problem of the Day #205: R.I.P. Steve Jobs October 10, 2011

Posted by Seungln in : potd , trackback

This is kind of old news now, but MPOTD decided to pay its own tribute to Steve Jobs with this problem.

The iPhone 4S (still) has the $3.5$ in. screen (i.e. a screen that is measured as $3.5$ in. from one corner to its opposite corner). Assume that the ratio of the short side of the touchscreen to the long side of the touchscreen does not matter, as long as the area of the screen is at least $4 in.^2$. If, before he passed away, Steve Jobs was planning on making the iPhone 5 have a $5$ in. screen, keeping its shortside-to-longside proportion the same, what is the difference between the maximum and the minimum areas possible for the iPhone 5′s touchscreen?


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