Q:

Program to find the area of an equilateral triangle

belongs to collection: Basic Programs

robaa
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2022-11-08
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Explanation

A Triangle is having all angles of 60 degrees and congruent sides, or equiangular triangle is called Equilateral Triangle.

Area of Equilateral Triangle= ( 1.73 × a × a)/4

where a is side.

Algorithm

  1. Define Values for side of triangle
  2. Enter values in formula.
  3. Print the Area.

Complexity

O(1)

Input:

side (a) = 5  

Output:

Area of Equilateral Triangle = ( 1.73 * a * a) / 4
                             = ( 1.73 * 5 * 5) / 4
                             = 10.81250
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All Answers

robaa
2022-11-08
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Python

a= 5  
area = ( 1.73 * a*a) / 4  
print("Area of Equilateral Triangle is: ");  
print(area);

 

Output:

Area of Equilateral Triangle is:  10.8125

 

C

#include<stdio.h>  
                   int main()   
                   { float a, area;  
            a= 5;  
            area = ( 1.73 * a*a) / 4 ;  
  
            printf("\n\n Area of Equilateral Triangle is : %f",area);  
                       return (0);  
    }

 

 

Output:

Area of Equilateral Triangle is: 10.81250

 

JAVA

public class tops  
 {  
   public static void main (String args[])  
    {   float a = 5f ;   
                          double area = ( 1.73 * a*a) / 4 ;  
System.out.println("Area of Equilateral Triangle is:"+area);  
    }}

 

Output:

Area of Equilateral Triangle is: 10.8125

 

C#

using System;  
class Program  
{   static void Main()   
    {  
      float  a = 5 ;  
      double area =  ( 1.73 * a*a) / 4 ;   
      Console.WriteLine("Area of Equilateral Triangle is :"+area);  
    }}

 

Output:

Area of Equilateral Triangle is: 10.8125

 

PHP

<?php  
       $a = 5 ;  
       $area =   ( 1.73 * $a * $a) / 4;  
       echo("Area of Equilateral Triangle is: ");  
       echo($area);  
?>

 

Output:

Area of Equilateral Triangle is: 10.8125

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