Scalene Triangle Area Calculator

Your details

Pick the method that matches the values you already know.
The length of one side of the triangle chosen as the base.
m
The perpendicular distance from the base to the opposite vertex.
m
AreaSmall triangle
20m²

Area of the scalene triangle in square length units

Altitude to side a5m

Area = 20.0000 m²

  • The area is 20.0000 m².
  • The altitude to side a is 5.0000 m.

Next stepCalculated using the base and height method. For all three altitudes or circumradius, enter all three side lengths using the SSS method.

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