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Program to find area of triangle

Program to find area of triangle

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  • Write a program to find area of triangle in C
  • Write a program to find area of triangle in C++
  • Write a program to find area of triangle in Python
  • Write a program to find area of triangle in PHP
  • Write a program to find area of triangle in Java
  • Write a program to find area of triangle in Java Script
  • Write a program to find area of triangle in C#

Explanation:

The area of a triangle can be calculated using various methods depending on the information available:

1. Base and Height

Area = 0.5 × Base × Height

2. Heron’s Formula (if the lengths of all three sides are known)

s = (a + b + c)/2

Area = sqrt(s x (s – a) x (s – b) x (s – c))

Where a, b, and c are the sides of the triangle, and is the semi-perimeter.

3. Using Trigonometry (if two sides and the included angle are known)

Area = 0.5 x a x b x sin(θ)

Where a and b are the lengths of two sides, and θ is the included angle in radians.

Program to find area of triangle

#include <stdio.h>

int main() {
    float base, height, area;

    printf("Enter the base of the triangle: ");
    scanf("%f", &base);

    printf("Enter the height of the triangle: ");
    scanf("%f", &height);

    area = 0.5 * base * height;
    printf("Area of the triangle: %.2f\n", area);

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    double base, height, area;

    cout << "Enter the base of the triangle: ";
    cin >> base;

    cout << "Enter the height of the triangle: ";
    cin >> height;

    area = 0.5 * base * height;
    cout << "Area of the triangle: " << area << endl;

    return 0;
}

base = float(input("Enter the base of the triangle: "))
height = float(input("Enter the height of the triangle: "))

area = 0.5 * base * height
print(f"Area of the triangle: {area:.2f}")


<?php
echo "Enter the base of the triangle: ";
$base = (float)readline();

echo "Enter the height of the triangle: ";
$height = (float)readline();

$area = 0.5 * $base * $height;
echo "Area of the triangle: " . number_format($area, 2) . "\n";
?>


import java.util.Scanner;

public class TriangleArea {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter the base of the triangle: ");
        double base = scanner.nextDouble();

        System.out.print("Enter the height of the triangle: ");
        double height = scanner.nextDouble();

        double area = 0.5 * base * height;
        System.out.printf("Area of the triangle: %.2f\n", area);

        scanner.close();
    }
}


const base = parseFloat(prompt("Enter the base of the triangle:"));
const height = parseFloat(prompt("Enter the height of the triangle:"));

const area = 0.5 * base * height;
console.log(`Area of the triangle: ${area.toFixed(2)}`);


using System;

class Program {
    static void Main() {
        Console.Write("Enter the base of the triangle: ");
        double baseLength = Convert.ToDouble(Console.ReadLine());

        Console.Write("Enter the height of the triangle: ");
        double height = Convert.ToDouble(Console.ReadLine());

        double area = 0.5 * baseLength * height;
        Console.WriteLine($"Area of the triangle: {area:F2}");
    }
}

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