Length of an arc between two angles: Difference between revisions
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}
function abs(x) { if (x >= 0) { return x } else { return -x } }
</lang>
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43.6332313
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=={{header|C}}==
{{Trans|AWK}}
<lang c>
#define PI 3.14159265358979323846
#define ABS(x) (x<0?-x:x)
double arc_length(double radius, double angle1, double angle2) {
return (360 - ABS(angle2 - angle1)) * PI / 180 * radius;
}
void main()
{
printf("%.7f\n",arc_length(10, 10, 120));
}
</lang>
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=={{header|JavaScript}}==
{{Trans|AWK}}
<lang JavaScript>
function arc_length(radius, angle1, angle2) {
return (360 - Math.abs(angle2 - angle1)) * Math.PI / 180 * radius;
}
console.log(arc_length(10, 10, 120).toFixed(7));
</lang>
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43.6332313
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