Exercises 2.2, page 63

  1. 1. 65 ° 

  2. 3. 7.02 m

  3. 5. 56 ° 

  4. 7. 48 ° 

  5. 9. 6.9 ft2

  6. 11. 38,400 cm2

  7. 13. 4.41 ft2

  8. 15. 0.390 m2

  9. 17. 976 cm

  10. 19. 64.5 cm

  11. 21. 5 in.

  12. 23. 26.6 ft

  13. 25. 522 cm

  14. 27. 67 ° 

  15. 29. 227.2 cm

  16. 31. 45 °  ,  135 ° 

  17. 33. Equilateral triangle

  18. 35. All three triangles are similar.

  19. 37.  ∠ K =  ∠ N = 90 °  ;   ∠ LMK =  ∠ OMN ; 

     ∠ KLM =  ∠ NOM ;  ΔMKL ~ ΔMNO

  20. 39. 8

  21. 41. Yes

  22. 43. 65 ° 

  23. 45. 7.2 ft

  24. 47. 60 ft2

  25. 49. 12.1 ft

  26. 51. 23 ft

  27. 53. 7.5 m, 9.0 m

  28. 55. 9.6 ft

  29. 57. 20.0 mi

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