Unlock the Secrets of Triangle Areas with JavaScript
The Formula for Success
When it comes to calculating the area of a triangle, having the right formula is crucial. If you’re familiar with JavaScript operators and the Math.sqrt() function, you’re already halfway there.
Base and Height: The Perfect Combination
With the base and height of a triangle, finding the area is a breeze. The formula is simple:
Area = (base × height) / 2
Let’s put this into practice with an example:
Example 1: Area When Base and Height are Known
Output:
Enter base: 5
Enter height: 6
Area: 15
The Power of Heron’s Formula
But what if you know all three sides of the triangle? That’s where Heron’s formula comes in. With a, b, and c as the three sides, the formula looks like this:
Area = √(s(s-a)(s-b)(s-c)) where s = (a+b+c)/2
Example 2: Area When All Sides are Known
Output:
Enter side a: 3
Enter side b: 4
Enter side c: 5
Area: 6
Behind the Scenes
In both examples, we’ve used the Math.sqrt() method to find the square root of a number. This is a crucial step in calculating the area of a triangle.
Important Note
Keep in mind that if the given sides cannot form a valid triangle, the program will not produce accurate results. Make sure to double-check your inputs!
Next Steps
Ready to take your JavaScript skills to the next level? Explore more advanced topics like parseInt() to unlock even more possibilities.