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题目内容
The figure above is a regular octagon. A diagonal of an octagon is any line segment connecting two nonadjacent vertices.
Quantity A
The number of diagonals of the octagon that are parallel to at least one side of the octagon
Quantity B
The number of diagonals of the octagon that are not parallel to any side of the octagon
B显示答案
· 相关考点
4.2.3 对角线条数问题
4.2.3 对角线条数问题
以上解析由 考满分老师提供。