A figure has rotational symmetry when it can rotate onto itself in less than a full rotation.
3
You rotate everything to the left, 3/4 of a full turn.As an example of the result, the positive x-axis winds uppointing down from the origin.
The x,y origin is 0,0
A lever.
Possitraction
gears
nope
wheel and axel
the wheel and axle is a simple machine made from two circular objects and are different sizes that are attached and rotate together and it is a lever that can rotate to 360 degrees
Set or Gears or Wheel and Axle
Gears. Gears are circular objects of different sizes that are attached in such a way that they rotate together to transmit motion.
The letters spell the word rotate.
Rotate
Those letters spell rotate.
several gears that rotate together.
several gears that rotate together.