no rotational symmetry
60,120,180,240,300
I think 5
An equilateral triangle has six symmetries, and an isosceles triangle has two.
A decagon can have rotational symmetries of order 1, 2, 5 or 10.
Rotational symmetry of order 2. Reflection symmetry about the perpendicular bisectors of the sides.
No.
An isoceles triangle does not have rotation symmetry
A, B, then C
3
Yes
it has 3 simple.If you do this one straight down,one diagonal to the right and one diagonal to the left you got it right.SIMPLE:)
The singular form of the plural noun symmetries is symmetry.