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Start the planA thin piece of wire \(40\) meters long is cut into two pieces. One piece is used to form a circle with a radius of \(r,\) 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 the square regions in terms of \(r?\)
A. \(\pi r^2\)
B. \(\pi r^2+10\)
C. \(\pi r^2+14\pi^2 r^2\)
D. \(\pi r^2+(40-2\pi r)^2\)
E. \(\pi r^2+(10-12\pi r)^2\)
Answer: E
Source: GMAT Prep
A. \(\pi r^2\)
B. \(\pi r^2+10\)
C. \(\pi r^2+14\pi^2 r^2\)
D. \(\pi r^2+(40-2\pi r)^2\)
E. \(\pi r^2+(10-12\pi r)^2\)
Answer: E
Source: GMAT Prep
