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40 meters wire problem [#permalink]
14 Jun 2009, 23:35
This post was BOOKMARKED
33% (01:03) correct
67% (01:22) wrong based on 10 sessions
A thin piece of wire 40 meters long is cut into two pieces. One piece is used to form a circle with radius R, and the other is used to form a square. No wire is left over. Which of the following represents the total area, in square meters, of the circular and square regions in terms of R.