App description

This calculator can be selected in many ways and calculated in multiple directions.

Calculation method:

First, choose the unit of the angle, whether it is degrees or radians

Second, look at the three values known in your value, whether the side length of the three sides is known, or whether the corner edge, or the corner corner, or the angle of the triangle is known. You can find out the remaining unknowns. And finally the area of the triangle can be calculated.

Note: In the calculation, you can also select the number of significant digits below.  

Usage example

Input data:

The unit of the angle is: degree

Enter the values you know: 1) Three sides

Side a: 3

Side b: 4

Side c: 5

Effective number of digits: 5

Click "Calculate" to output data

Angle A (edge a diagonal): 36.87

Angle B (edge b diagonal): 53.13

Angle C (edge c diagonal): 90

Triangle area: 6

Note

In the calculation of the known triangle, since the triangle is known, the shape of the triangle can only be determined uniquely, and the size cannot be determined, so the calculation result is a relative quantity, not an absolute quantity.

 

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