Mathematics, 21.08.2020 16:01 kbuhvu
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 the square regions in terms of r?
a. Ïâr2
b. Ïâr2+10
c. Ïâr2+1/4âÏ2âr2Ïâr2
d. Ïâr2+(40â2Ïâr)^2
e. Ïâr2+(10â1/2Ïâr)^2
Answers: 1
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A thin piece of wire 40 meters long is cut into two pieces. One piece is used to form a circle with...
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