1. MEDIUM

True or false: All regular polygons have rotational symmetry.

 
2. MEDIUM

An interior angle of a regular pentagon equals

  1. 60 degrees
  2. 72 degrees
  3. 90 degrees
  4. 108 degrees
  5. 120 degrees
 
3. MEDIUM

An exterior angle of a regular octagon equals

  1. 45 degrees
  2. 60 degrees
  3. 90 degrees
  4. 120 degrees
  5. 135 degrees