C Program To Find Area Of Triangle

C program to find the area of a triangle; Through this tutorial, we will learn how to find the area of triangle formula, function, and pointer in c programs.

Programs and Algorithm To Find Area Of Triangle

Use the following algorithm and program to find/calculate area of triangle formula, function, and pointer in c:

• Algorithm To Find Area Of Triangle
• C Program To Find Area Of Triangle using Formula
• C Program To Find Area Of Triangle using Function
• C Program To Find Area Of Triangle using Pointer

Algorithm To Find Area Of Triangle

Use the following algorithm to write a program to find area of triangle; as follows:

• Start
• Take input height and width from user and store it into variables.
• Calculate area of triangle = area=(base*height)/2;
• print “Area of Triangle=”, area
• End

C Program To Find Area Of Triangle using Formula

#include<stdio.h>
int main()
{
	float base,height,area;
	printf("enter base of triangle: ");
	scanf("%f",&base);

	printf("enter height of the triangle: ");
	scanf("%f",&height);
	area=(base*height)/2;
	printf("Area Of Triangle is: %f\n",area);
	return 0;
}

The output of the above c program; as follows:

enter base of triangle: 10
enter height of the triangle: 25
Area Of Triangle is: 125.000000

C Program To Find Area Of Triangle using Function

#include<stdio.h>
float area(float b,float h)
{
	return (b*h)/2;
}

int main()
{
	float b,h,a;
	printf("enter base of triangle: ");
	scanf("%f",&b);

	printf("enter height of the triangle: ");
	scanf("%f",&h);
	a=area(b,h);
	printf("Area Of Triangle: %f\n",a);
	return 0;
}

The output of the above c program; as follows:

enter base of triangle: 12
enter height of the triangle: 15
Area Of Triangle: 90.000000

C Program To Find Area Of Triangle using Pointer

#include<stdio.h>
void area(float *b,float *h,float *area)
{
	*area=((*b)*(*h))/2;
}

int main()
{


	float b,h,a;
	printf("enter base of triangle: ");
	scanf("%f",&b);

	printf("enter height of the triangle: ");
	scanf("%f",&h);
	area(&b,&h,&a);
	printf("Area Of Triangle: %f\n",a);
	return 0;
}

The output of the above c program; as follows:

enter base of triangle: 10
enter height of the triangle: 12
Area Of Triangle: 60.000000

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