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Let P and Q be points which are two inches apart, and let A be the area, in square inches, of a circle which passes through P an
Let P and Q be points which are two inches apart, and let A be the area, in square inches, of a circle which passes through P an
admin
2012-01-15
39
问题
Let P and Q be points which are two inches apart, and let A be the area, in square inches, of a circle which passes through P and Q. Which of the following is the set of all possible values for A?
选项
A、0<A
B、0<A ≤π
C、A=π
D、A>π
E、A ≥π
答案
E
解析
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