OT Trig Puzzle

[Dave Smith]

If I figure correctly, the diameter has to be 2.8 cm and the height of the
rectangle is 1.4 cm.  Let me know if that's right or not, as I think I have
blown enough time already, Ric.

Dave Smith
SW FL
----- Original Message -----
From: "Richard Brekne" <Richard.Brekne@grieg.uib.no>
To: "Newtonburg" <pianotech@ptg.org>
Sent: Thursday, October 30, 2003 6:36 PM
Subject: OT Trig Puzzle


> Ok guys and gals... so you think you remember you High School Trig eh ??
>
> Here is a refresher problem
>
> A half circle is placed on top of a rectangle such that its diameter is
> the top side of the rectangle. The length of the 3 remaining sides of
> the rectangle, plus the circumference of the half circle is equal to 10
> cm.
>
> Question: What are the lengths of the sides of the rectangle when the
> area of the combined figure is at its maximum ?
>
>
> ... just in case you are bored with your weekend :)
>
> Cheers
> RicB
>
> --
> Richard Brekne
> RPT, N.P.T.F.
> UiB, Bergen, Norway
> mailto:rbrekne@broadpark.no
> http://home.broadpark.no/~rbrekne/ricmain.html
> http://www.hf.uib.no/grieg/personer/cv_RB.html
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