试题与答案

圆锥的一面投影是圆,则其它两面投影是()。 A.等腰三角形 B.平行四边形 C.矩形

题型:单项选择题

题目:

圆锥的一面投影是圆,则其它两面投影是()。

A.等腰三角形

B.平行四边形

C.矩形

D.三角形

答案:

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