This discussion is closed.
madhapper
Badges: 0
Rep:
?
#1
Report Thread starter 14 years ago
#1
let W be the shape shown (attachment). find the set of symmetries of W and write down the multiplication table of the symmetry group
Attached files
0
RichE
Badges: 15
Rep:
?
#2
Report 14 years ago
#2
(Original post by madhapper)
let W be the shape shown (attachment). find the set of symmetries of W and write down the multiplication table of the symmetry group
They're the four rotations through 0,90,180,270 about the centre.

So the group is C_4 (or Z_4).

There are no reflection symmetries as the triangles all rise to the left edge, and if reflected would rise to the right.
0
X
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

University open days

  • University of East Anglia
    Undergraduate Open Day Undergraduate
    Sun, 20 Oct '19
  • University for the Creative Arts
    Undergraduate Open Day Undergraduate
    Sun, 20 Oct '19
  • University of Gloucestershire
    Undergraduate Open Day Undergraduate
    Sun, 20 Oct '19

Have you made up your mind on your five uni choices?

Yes I know where I'm applying (66)
66%
No I haven't decided yet (21)
21%
Yes but I might change my mind (13)
13%

Watched Threads

View All