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`A = Delta( "a" , "b" , "c" )
`

Enter a value for all fields

The **Area of a Triangle with three known Sides** calculator * Triangle with 3 known Sides* computes the area of a triangle given the length the triangle's three sides.

**INSTRUCTIONS:** Choose the length units you wish (e.g. feet or meters) and enter the following:

- (
**a**) The length of side**a**of the triangle. - (
**b**) The length of side**b**of the triangle. - (
**c**) The length of side**c**of the triangle.

The calculator computes the Area of the Triangle (**A**) in units of square feet However, this can be automatically converted to other area units (e.g. square meters or acres) via the pull-down menu.

The calculator makes a check that no one side is greater than the sum of the other two. In that case, it is impossible to have a triangle.