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The area of the circular region with center O is 16∏, and v, w, x, y and z represent the lengths of the line segments. Column A
The area of the circular region with center O is 16∏, and v, w, x, y and z represent the lengths of the line segments. Column A
admin
2009-05-19
49
问题
The area of the circular region with center O is 16∏, and v, w, x, y and z represent the lengths of the line segments.
Column A Column B
8 ∏ v+w+x+y+z
选项
A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案
A
解析
以O为圆心的圆的面积为16 ,且v,w,x,y和z代表线段长度。
解:本题的正确答案为(A)。由圆O的面积等于16∏可求出其半径r=4,而v,w,x,y,z长度均等于半径,所以有:v+w+x+v+z=20<8∏
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