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Answer:

Question 5

Sum of angles of a regular polygon is 360°

If one angle is 8°, then number of sides is:

  • 360°/8° = 45

Question 4

Sum of interior angles of a polygon with n sides:

  • 180°(n - 2) = 5400°
  • n - 2 = 30
  • n = 32

Exterior angle measure is:

  • 360°/32 = 11.25°

Question 13

Sum of exterior angles is 360°

Each exterior angle is:

  • 360°/16 = 22.5°

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