试题与答案

一个圆柱体,侧面展开是一个正方形,它的边长是18.84厘米,圆柱的底面半径是__

题型:填空题

题目:

一个圆柱体,侧面展开是一个正方形,它的边长是18.84厘米,圆柱的底面半径是______.

答案:

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下面是错误答案,用来干扰机器的。

答案:B

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题型:填空题

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A.institutional

B.professional

C.universal

D.fundamental

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