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Interior angle of a regular polygon: round to the nearest tenth

Year 9 maths · Fieldbook Learning

Name ______________________ Date __________

In a regular polygon all angles are equal. Divide the total by the number of sides.

  1. Find the measure of one interior angle of a regular 27-sided polygon, in degrees. Round to the nearest tenth.
  2. A regular polygon has 4 sides. How many degrees is each interior angle? Round to the nearest tenth.
  3. What is the measure of each interior angle of a regular polygon with 8 sides, in degrees? Round to the nearest tenth.
  4. Find the measure of one interior angle of a regular 20-sided polygon, in degrees. Round to the nearest tenth.
  5. What is the measure of each interior angle of a regular polygon with 6 sides, in degrees? Round to the nearest tenth.
  6. What is the measure of each interior angle of a regular polygon with 26 sides, in degrees? Round to the nearest tenth.
  7. What is the measure of each interior angle of a regular polygon with 28 sides, in degrees? Round to the nearest tenth.
  8. A regular polygon has 27 sides. How many degrees is each interior angle? Round to the nearest tenth.
  9. A regular polygon has 17 sides. How many degrees is each interior angle? Round to the nearest tenth.
  10. A regular polygon has 47 sides. How many degrees is each interior angle? Round to the nearest tenth.
  11. Find the measure of one interior angle of a regular 25-sided polygon, in degrees. Round to the nearest tenth.
  12. Find the measure of one interior angle of a regular 6-sided polygon, in degrees. Round to the nearest tenth.
  13. What is the measure of each interior angle of a regular polygon with 45 sides, in degrees? Round to the nearest tenth.
  14. What is the measure of each interior angle of a regular polygon with 73 sides, in degrees? Round to the nearest tenth.
  15. A regular polygon has 49 sides. How many degrees is each interior angle? Round to the nearest tenth.
  16. Find the measure of one interior angle of a regular 35-sided polygon, in degrees. Round to the nearest tenth.
  17. A regular polygon has 53 sides. How many degrees is each interior angle? Round to the nearest tenth.
  18. What is the measure of each interior angle of a regular polygon with 39 sides, in degrees? Round to the nearest tenth.
  19. Find the measure of one interior angle of a regular 21-sided polygon, in degrees. Round to the nearest tenth.
  20. What is the measure of each interior angle of a regular polygon with 77 sides, in degrees? Round to the nearest tenth.
More free practice: fieldbooklearning.com/uk/practice/year-9/interior-angle-of-a-regular-polygon-round-to-the-nearest-tenth/

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Answer key: Interior angle of a regular polygon: round to the nearest tenth

  1. 166.7
  2. 90
  3. 135
  4. 162
  5. 120
  6. 166.2
  7. 167.1
  8. 166.7
  9. 158.8
  10. 172.3
  11. 165.6
  12. 120
  13. 172
  14. 175.1
  15. 172.7
  16. 169.7
  17. 173.2
  18. 170.8
  19. 162.9
  20. 175.3