Posted by Pierre on Saturday, October 30, 2010 at 3:55pm.
A wire 9 meters long is cut into two pieces. One piece is bent into a square for a frame for a stained glass ornament, while the other piece is bent into a circle for a TV antenna. To reduce storage space, where should the wire be cut to minimize the total area of both figures? Give the length of wire used for each:
For the square?
For the circle?
Where should the wire be cut to maximize the total area? Again, give the length of wire used for each:
For the square?
For the circle?

MINIMIZATION PROBLEM (CALC)  bobpursley, Saturday, October 30, 2010 at 5:06pm
total area= PIr^2+ ((92r)/4)^2
so find r when dA/dr=0
lengths of two pieces: 2r, 92r
you will get two solutions, one for min area, one for max area.

MINIMIZATION PROBLEM (CALC)  Anonymous, Monday, November 14, 2011 at 1:53am
n7w
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