Rotational Symmetry Flashcards
Rotational Symmetry
when a figure will coincide with itself when turned less than 360 degrees around the center
What are some examples of shapes with rotational symmetry?
rectangles, circles, squares, parallelogram, pentagon, hexagon, decagon (regular polygons)
Every shape has rotational symmetry at how many degrees?
360 degrees
Describe the rotations that carry a rectangle onto itself
180 degrees
Describe the rotations that carry a square onto itself
90, 180, and 270 degrees
Describe the rotations that carry a circle onto itself
it’s infinite
Describe the rotations that carry a parallelogram onto itself
180 degrees
Describe the rotations that carry a pentagon onto itself
72, 144, 216, and 288 degrees