The publication presents online calculators and formulas for calculating the perimeter of a triangle: scalene (arbitrary), isosceles and regular (equilateral).
Content
Perimeter calculation
Instructions for use: enter the known values, then press the button “Calculate”. As a result, the perimeter will be calculated taking into account the specified data.
scalene triangle
Calculation formula
P = a + b + c
Isosceles triangle
Calculation formula
P = a + 2b
Regular (equilateral) triangle
Calculation formula
P = 3a