use std::f64::consts::PI;
fn main() {
let opposite: f64 = 2.5;
let hypotenuse: f64 = 5.0;
let angle_sin: f64 = opposite / hypotenuse;
let angle_radians: f64 = angle_sin.asin();
let right_triangle_angle: f64 = angle_radians * 180.0 / PI;
println!("Right Triangle Angle = {:.2}", right_triangle_angle);
}
/*
run:
Right Triangle Angle = 30.00
*/