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[Problem Solving]

试题详情

题目:

The points R, T, and U lie on a circle that has radius 4. If the length of arc RTU is 4π/3, what is the length of line segment RU?
bu

选项:

A、4/3
B、8/3
C、3
D、4
E、6

答案:

D

提问:

PS

解答:

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阅读472
解答: sysadmin

提问:

PS

解答:

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阅读473
解答: sysadmin老师

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