GRE

简答题

参考答案:暂无进入在线模考
A.The top and bottom of the can are circles with radi ClS 1,for a combined area of 2×πl2:2n.If the side of the can is cut vertical ly,the result unrolls into a rectangle with the same height as the call,2,and the same width as the
circumference of the circles,27c,for an area of 2×27c=4n.Quantity A is thus27c+4n=6n.1arger than Quantity B.