package main
import (
"fmt"
"math"
)
// Function to calculate area using Heron's formula
func heronArea(a, b, c float64) float64 {
s := (a + b + c) / 2.0 // semi-perimeter
return math.Sqrt(s * (s - a) * (s - b) * (s - c))
}
func main() {
a, b, c := 6.0, 9.0, 13.0
// Check the validity of the triangle
if a+b > c && a+c > b && b+c > a {
area := heronArea(a, b, c)
fmt.Printf("Area of the triangle = %.4f\n", area)
} else {
fmt.Println("Invalid triangle sides!")
}
}
/*
run:
Area of the triangle = 23.6643
*/