Question

How to calculate the area of a triangle in JavaScript

Answer 1

const base = 5, height = 8

const area = (base * height) / 2;

console.log(area);
 
 

 
 
/*
run:  
 
20
 
*/

 

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Answer 2

const side1 = 5, side2 = 7, side3 = 10

const sp = (side1 + side2 + side3) / 2; // semi perimeter
  
const area = Math.sqrt(sp * ((sp - side1) * (sp - side2) * (sp - side3)));

console.log(area);
 
 

 
 
/*
run:  
 
16.24807680927192
 
*/

 

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