Triangle circumcircle online calculator



App description

Triangle circumscribed circle calculation formula

1.\(R = abc/4√[s(s-a)(s-b)(s-c)]\)

2.\(S= (a + b + c)/2\)

Usage example

Input data:

Side a: 3

Side b: 4

Side c: 5

Click "Calculate" to output data

External circle radius: 2.5

External circle area: 19.635

External circumference: 15.708

 

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