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Heron's Formula

s = (a+b+c)/2, then area from three sides

Grade 8 · Heron's Formula

Easy 20 questions Worksheet #12893 For Heron's Formula

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Grade 8 · Heron's Formula

Easy · 20 questions · Worksheet #12893 · Heron's Formula

Name: ________________________

Date: ______________ Score: ______

  1. fill Using Heron's formula, find the area of a triangle with sides 6, 8, 10.
    ______________________________
  2. fill Using Heron's formula, find the area of a triangle with sides 7, 8, 9.
    ______________________________
  3. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 4.
    ______________________________
  4. fill Using Heron's formula, find the area of a triangle with sides 3, 4, 5.
    ______________________________
  5. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 6.
    ______________________________
  6. fill Using Heron's formula, find the area of a triangle with sides 3, 4, 5.
    ______________________________
  7. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 6.
    ______________________________
  8. fill Using Heron's formula, find the area of a triangle with sides 3, 4, 5.
    ______________________________
  9. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 6.
    ______________________________
  10. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 4.
    ______________________________
  11. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 6.
    ______________________________
  12. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 6.
    ______________________________
  13. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 6.
    ______________________________
  14. fill Using Heron's formula, find the area of a triangle with sides 7, 8, 9.
    ______________________________
  15. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 4.
    ______________________________
  16. fill Using Heron's formula, find the area of a triangle with sides 3, 4, 5.
    ______________________________
  17. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 4.
    ______________________________
  18. fill Using Heron's formula, find the area of a triangle with sides 7, 8, 9.
    ______________________________
  19. fill Using Heron's formula, find the area of a triangle with sides 5, 5, 6.
    ______________________________
  20. fill Using Heron's formula, find the area of a triangle with sides 3, 4, 5.
    ______________________________

Updated July 2026

FAQs

What is Heron's Formula?

Heron's Formula (herons formula) is a geometry relationship written as s = (a+b+c)/2, then area from three sides or A = √[s(s−a)(s−b)(s−c)]. Students use it to solve unknowns when enough values are known.

How do you calculate Heron's Formula step by step?

Write s = (a+b+c)/2, then area from three sides, substitute the known numbers carefully, then simplify. Worked walkthrough: a=3, b=4, c=5 s = 6 A = √[6×3×2×1] = 6.

When is Heron's Formula taught in school?

Heron's Formula usually appears in geometry units during middle or secondary school. Match difficulty with MathDigits grade worksheets so practice fits the curriculum year.

What is a real example of Heron's Formula?

On this page the worked result is 6. Generate a formula worksheet below for more unique practice sets.

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