1. EASY

The sum of the interior angles of a regular triangle equals

  1. 60 degrees
  2. 90 degrees
  3. 180 degrees
  4. 270 degrees
  5. 360 degrees
 
2. MEDIUM

True or false: All regular polygons have rotational symmetry.
 
3. MEDIUM

An interior angle of a regular pentagon equals

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

An exterior angle of a regular octagon equals

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

If a regular 600-gon and a regular 800-gon have the same area, which regular polygon has the larger side length? Which polygon has the larger interior angle?

  1. 600-gon has larger side length, 600-gon has a larger interior angle
  2. 600-gon has larger side length, 800-gon has a larger interior angle
  3. 800-gon has larger side length, 600-gon has a larger interior angle
  4. 800-gon has larger side length, 800-gon has a larger interior angle
  5. Both have same side length, 800-gon has a larger interior angle
 
6. HARD

What is the sum of the exterior angles of a 657-gon?


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Prime Factorization  |   Factors  |   Problem Soving  |   Tables to Represent Change  |   Decimal Addition