Posted by Knights on Monday, March 25, 2013 at 10:37am.
Alicia has a flat platter shaped like a square with a semicircle of diameter 10 inches on each edge. What is the number of inches in the side length of the smallest square that can contain the platter
(which contains the square with the semicircles on each side of it)?

Circles / Square  Steve, Monday, March 25, 2013 at 11:27am
If the semicircles have a diameter of 10, then the square inside the platter has side 10.
So, the platter has a total width of 5+10+5 = 20
So, the enclosing square has a side of 20.

Circles / Square  Andrea, Saturday, March 30, 2013 at 8:42am
dude steave ur wrong the answer has to be a square root...

Circles / Square  Tiger, Saturday, March 29, 2014 at 11:56pm
The middle part is sqrt(50) and the other parts are the radius, whitch is 5 so the answer is 10+sqrt(50)

Circles / Square  Tiger, Saturday, March 29, 2014 at 11:58pm
oh I forgot that simplifies to 10+5*sqrt(2)
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