56 Exercise Answers: Module 19 — Technical Mathematics

20

Exercise Answers: Module 19

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Area of Polygons and Circles

We may occasionally violate the rounding rules in these answers so that you can be sure that your answer matches ours.

  1. 20\text{ cm}^2
  2. 16\text{ cm}^2
  3. 4.86\text{ m}^2
  4. 12.25\text{ ft}^2
  5. 120\text{ in}^2
  6. 360\text{ m}^2
  7. 210\text{ ft}^2
  8. 126\text{ cm}^2
  9. 38.5\text{ cm}^2
  10. 204\text{ ft}^2
  11. 36\text{ m}^2
  12. 124\text{ cm}^2
  13. 288\text{ cm}^2
  14. 28.3\text{ cm}^2
  15. 50.3\text{ cm}^2
  16. 153.9\text{ in}^2
  17. 63.6\text{ in}^2
  18. 19.6\text{ m}^2
  19. 28.9\text{ ft}^2

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