Find the area of the rectangle!

Codewars 7kyu

by trentHarlem

JavaScript

function area(d,l){
const w = Math.sqrt(d*d-l*l);
return d<=l?'Not a rectangle': +(w*l).toFixed(2)
}



// WORKING
/* function area(d,l){
if(d<=l) return 'Not a rectangle';
const w = Math.sqrt(Math.abs(d*d-l*l))
return +(w*l).toFixed(2)
} */


console.log(area(5,4),12)
console.log(area(10,6),48)
console.log(area(13,5),60)
console.log(area(12,5),54.54)

console.log(area(12,51))