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△ Trigonometry

Sine

Right triangle ratio

Formula

sin θ = opposite / hypotenuse

Right triangle ratio

Example

  • opp = 3
  • hyp = 5
  • sin θ = 3/5 = 0.6
Result 0.6
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Grade 9 · Sine

Easy 20 questions Worksheet #21703 For Sine

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MathDigits Worksheet

Grade 9 · Sine

Easy · 20 questions · Worksheet #21703 · Sine

Name: ________________________

Date: ______________ Score: ______

  1. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  2. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  3. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  4. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  5. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  6. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  7. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  8. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  9. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  10. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  11. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  12. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  13. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  14. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  15. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  16. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  17. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  18. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  19. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________
  20. fill In a right triangle, opposite = 3, hypotenuse = 5. Find sin θ. (sin = opp/hyp)
    ______________________________

Updated July 2026

FAQs

What is Sine?

Sine (sin) is a trigonometry relationship written as Right triangle ratio or sin θ = opposite / hypotenuse. Students use it to solve unknowns when enough values are known.

How do you calculate Sine step by step?

Write Right triangle ratio, substitute the known numbers carefully, then simplify. Worked walkthrough: opp = 3 hyp = 5 sin θ = 3/5 = 0.6.

When is Sine taught in school?

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

What is a real example of Sine?

On this page the worked result is 0.6. Generate a formula worksheet below for more unique practice sets.

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