A Quiz To Test Your Trigonometry Knowledge!

15 Questions | Total Attempts: 158

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A Quiz To Test Your Trigonometry Knowledge!

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Questions and Answers
  • 1. 
    Find the central angle of a circle if the arc length is 14 inches and the radius is 7 inches. 
    • A. 

      2 radians

    • B. 

      0.5 radians

    • C. 

      98 radians

  • 2. 
    Using 3.14 for pi, find the arc length of the circle. Round to the nearest tenths. 
    • A. 

      84.78 in

    • B. 

      1.33 in

    • C. 

      4.19 in

  • 3. 
    What is 60° in radians?
    • A. 

      3 π

    • B. 

      2/3 π

    • C. 

      1/3 π

  • 4. 
    What is 144° in radians?
    • A. 

      15/12 π

    • B. 

      12/15 π

    • C. 

      0.8

  • 5. 
    What is 81° in radians? 
    • A. 

      0.45

    • B. 

      9/20 π

    • C. 

      20/9 π

  • 6. 
    What is 7/18 π in degrees?
    • A. 

      70°

    • B. 

      0.038°

    • C. 

      25 °

  • 7. 
    What is 2/3π in degrees?
    • A. 

      100°

    • B. 

      120°

    • C. 

      60°

  • 8. 
    What is 1/8 π in degrees?
    • A. 

      10°

    • B. 

      22°

    • C. 

      22.5°

  • 9. 
    What are the two special right triangles? 
    • A. 

      30-60-90

    • B. 

      180-180-360

    • C. 

      1-2-3

    • D. 

      45-45-90

    • E. 

      10-20-30

  • 10. 
    A pillar of height 222 ft casts a shadow of 348 ft long. Find the measure of the angle of elevation of the sun.
    • A. 

      32.6°

    • B. 

      40.5°

    • C. 

      24.1°

  • 11. 
    A tree is 200 ft tall. If a man is standing 75 ft away from the tree, what is the angle of elevation to the bird he is looking at?
    • A. 

      69.47°

    • B. 

      20.56°

    • C. 

      14.93°

  • 12. 
    Find the angle of elevation. 
    • A. 

      50.21

    • B. 

      32.47

    • C. 

      57.53

  • 13. 
    A flagpole is 100 ft tall. If you are looking to the top of the flagpole at an angle of elevation of 26°, how far away are you standing from the flagpole?
    • A. 

      228.31 ft

    • B. 

      205.34 ft

    • C. 

      111.23 ft

  • 14. 
    Find the angle of elevation. 
    • A. 

      13.24°

    • B. 

      7.43°

    • C. 

      76.76°

  • 15. 
    A rope ties a tent to the ground and makes an angle of 15° with the ground. The tent is 12 m tall. How long is the rope?
    • A. 

      46.33 m

    • B. 

      44.78 m

    • C. 

      12.42 m