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📐 Geometry

Perimeter of Triangle

Perimeter = sum of all sides

Formula

P = a + b + c

Perimeter = sum of all sides

Example

  • a = 5
  • b = 7
  • c = 8
  • P = 20
Result 20
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Grade 10 · Perimeter of Triangle

Easy 20 questions Worksheet #38975 For Perimeter of Triangle

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MathDigits Worksheet

Grade 10 · Perimeter of Triangle

Easy · 20 questions · Worksheet #38975 · Perimeter of Triangle

Name: ________________________

Date: ______________ Score: ______

  1. fill Find the perimeter of a triangle with sides 88 cm, 206 cm, and 166 cm. (P = a + b + c)
    ______________________________
  2. fill Find the perimeter of a triangle with sides 144 cm, 166 cm, and 115 cm. (P = a + b + c)
    ______________________________
  3. fill Find the perimeter of a triangle with sides 175 cm, 115 cm, and 95 cm. (P = a + b + c)
    ______________________________
  4. fill Find the perimeter of a triangle with sides 22 cm, 119 cm, and 162 cm. (P = a + b + c)
    ______________________________
  5. fill Find the perimeter of a triangle with sides 15 cm, 197 cm, and 176 cm. (P = a + b + c)
    ______________________________
  6. fill Find the perimeter of a triangle with sides 9 cm, 65 cm, and 69 cm. (P = a + b + c)
    ______________________________
  7. fill Find the perimeter of a triangle with sides 138 cm, 181 cm, and 165 cm. (P = a + b + c)
    ______________________________
  8. fill Find the perimeter of a triangle with sides 191 cm, 192 cm, and 119 cm. (P = a + b + c)
    ______________________________
  9. fill Find the perimeter of a triangle with sides 98 cm, 78 cm, and 30 cm. (P = a + b + c)
    ______________________________
  10. fill Find the perimeter of a triangle with sides 58 cm, 135 cm, and 127 cm. (P = a + b + c)
    ______________________________
  11. fill Find the perimeter of a triangle with sides 33 cm, 199 cm, and 245 cm. (P = a + b + c)
    ______________________________
  12. fill Find the perimeter of a triangle with sides 227 cm, 195 cm, and 113 cm. (P = a + b + c)
    ______________________________
  13. fill Find the perimeter of a triangle with sides 31 cm, 236 cm, and 55 cm. (P = a + b + c)
    ______________________________
  14. fill Find the perimeter of a triangle with sides 129 cm, 107 cm, and 224 cm. (P = a + b + c)
    ______________________________
  15. fill Find the perimeter of a triangle with sides 65 cm, 167 cm, and 31 cm. (P = a + b + c)
    ______________________________
  16. fill Find the perimeter of a triangle with sides 126 cm, 49 cm, and 31 cm. (P = a + b + c)
    ______________________________
  17. fill Find the perimeter of a triangle with sides 120 cm, 17 cm, and 228 cm. (P = a + b + c)
    ______________________________
  18. fill Find the perimeter of a triangle with sides 29 cm, 34 cm, and 75 cm. (P = a + b + c)
    ______________________________
  19. fill Find the perimeter of a triangle with sides 45 cm, 197 cm, and 218 cm. (P = a + b + c)
    ______________________________
  20. fill Find the perimeter of a triangle with sides 72 cm, 207 cm, and 115 cm. (P = a + b + c)
    ______________________________

Updated July 2026

FAQs

What is Perimeter of Triangle?

Perimeter of Triangle (perimeter triangle) is a geometry relationship written as Perimeter = sum of all sides or P = a + b + c. Students use it to solve unknowns when enough values are known.

How do you calculate Perimeter of Triangle step by step?

Write Perimeter = sum of all sides, substitute the known numbers carefully, then simplify. Worked walkthrough: a = 5 b = 7 c = 8 P = 20.

When is Perimeter of Triangle taught in school?

Perimeter of Triangle 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 Perimeter of Triangle?

On this page the worked result is 20. Generate a formula worksheet below for more unique practice sets.

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