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⭕ Circles

Arc Length

Arc = (angle/360) × circumference

Grade 10 · Arc Length

Easy 20 questions Worksheet #85198 For Arc Length

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Grade 10 · Arc Length

Easy · 20 questions · Worksheet #85198 · Arc Length

Name: ________________________

Date: ______________ Score: ______

  1. fill Arc length: θ = 120°, r = 51. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  2. fill Arc length: θ = 180°, r = 74. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  3. fill Arc length: θ = 180°, r = 7. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  4. fill Arc length: θ = 120°, r = 62. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  5. fill Arc length: θ = 30°, r = 23. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  6. fill Arc length: θ = 180°, r = 44. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  7. fill Arc length: θ = 90°, r = 81. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  8. fill Arc length: θ = 180°, r = 15. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  9. fill Arc length: θ = 180°, r = 29. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  10. fill Arc length: θ = 180°, r = 80. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  11. fill Arc length: θ = 30°, r = 71. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  12. fill Arc length: θ = 180°, r = 21. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  13. fill Arc length: θ = 60°, r = 51. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  14. fill Arc length: θ = 90°, r = 28. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  15. fill Arc length: θ = 120°, r = 36. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  16. fill Arc length: θ = 90°, r = 48. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  17. fill Arc length: θ = 180°, r = 68. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  18. fill Arc length: θ = 90°, r = 40. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  19. fill Arc length: θ = 90°, r = 18. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________
  20. fill Arc length: θ = 180°, r = 43. Use π ≈ 3.14. (L = (θ/360)×2πr)
    ______________________________

Updated July 2026

FAQs

What is Arc Length?

Arc Length (arc length) is a circles relationship written as Arc = (angle/360) × circumference or L = (θ/360) × 2πr. Students use it to solve unknowns when enough values are known.

How do you calculate Arc Length step by step?

Write Arc = (angle/360) × circumference, substitute the known numbers carefully, then simplify. Worked walkthrough: θ = 90° r = 7 L ≈ (90/360)×43.96 ≈ 10.99.

When is Arc Length taught in school?

Arc Length usually appears in circles units during middle or secondary school. Match difficulty with MathDigits grade worksheets so practice fits the curriculum year.

What is a real example of Arc Length?

On this page the worked result is ≈ 10.99. Generate a formula worksheet below for more unique practice sets.

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