Length of an arc between two angles: Difference between revisions

=={{header|C++}}==

{{trans|Kotlin}}

<lang cpp>#include <iostream>

#define _USE_MATH_DEFINES

#include <math.h>

double arcLength(double radius, double angle1, double angle2) {

return (360.0 - abs(angle2 - angle1)) * M_PI * radius / 180.0;

}

int main() {

auto al = arcLength(10.0, 10.0, 120.0);

std::cout << "arc length: " << al << '\n';

return 0;

}</lang>

{{out}}

<pre>arc length: 43.6332</pre>