Question

How to calculate the area of a triangle given three sides in Rust

Answer 1

fn main() {
    let a:f32 = 3.0;
    let b:f32 = 6.0;
    let c:f32 = 7.0;
    let s:f32; // semi (half) perimeter
    let mut area:f32;

    s = (a + b + c) / 2.0;
    
    area = s * (s - a) * (s - b) * (s - c);
    area = area.sqrt();
    
    println!("area = {}", area);
}




/*
run:
 
area = 8.944272
 
*/

 

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