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[Problem Solving]

试题详情

题目:

The figure shown represents a piece of land that is in the shape of a quarter circle. If the land is enclosed by a fence, which of the following is closest to the length, in feet, of the fence?

选项:

A、278 
B、341 
C、357 
D、400 
E、441

答案:

C

提问:

对于这题答案选项表示不解。当我读题时,我以为是求弧长,但是看到选项我就蒙了。希望有人能告诉解题方向和思路,谢谢。

解答:

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阅读837
解答: sysadmin

提问:

对于这题答案选项表示不解。当我读题时,我以为是求弧长,但是看到选项我就蒙了。希望有人能告诉解题方向和思路,谢谢。

解答:

点赞0
阅读838
解答: sysadmin老师

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