不難maths第9回

👨🏻‍🏫 學術台數學

2007-04-09 7:53 am

in the figure , PQRSTUVW is a cube .Name two any axes of rotation symmetry of the cube which pass through its vertices.

http://www.wretch.cc/album/show.php?i=ming21ki&b=1&f=1862924204&p=5
(圖)
ANSWER:____________

回答 (1)

2007-04-09 8:00 am

✔ 最佳答案

ANSWER係PW，SV，RU同QT
以上任何兩條都係axes of rotation symmetry of the cube which pass through its vertices.

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