You can calculate the area of a triangle if you know the lengths of all three sides, using a formula that has been known for nearly 2000 years. It is called "Heron's Formula". Heron's formula uses the following two steps to calculate the area of a triangle. Step 1: Calculate "s" (half of the triangles perimeter): Step 2: Calculate Area: A = √√√s(sa)(sb)(s — c) #include By using Heron's formula, write the definition of the function area_of_triangle so that it can work in conjunction with the following source code. #include int main (void) { S= double a, b, c, area; printf("Enter the sides of triangle\n"); scanf("%lf%lf%lf", &a, &b, &c); a+b+c 2 area = area_of_triangle (a, b, c); printf ("Area of triangle = %.21f\n", area); return 0; Enter the sides of triangle 4.0 5.0 6.0 Area of triangle = 9.92 } You can use sqrt() from math.h header file. Its prototype is: double sqrt (double x); A sample run of this program is shown in the following figure.

You can calculate the area of a triangle if you know the lengths of all three sides, using a formula that has been known for nearly 2000 years. It is called "Heron's Formula". Heron's formula uses the following two steps to calculate the area of a triangle. Step 1: Calculate "s" (half of the triangles perimeter): Step 2: Calculate Area: A = √√√s(sa)(sb)(s — c) #include By using Heron's formula, write the definition of the function area_of_triangle so that it can work in conjunction with the following source code. #include int main (void) { S= double a, b, c, area; printf("Enter the sides of triangle\n"); scanf("%lf%lf%lf", &a, &b, &c); a+b+c 2 area = area_of_triangle (a, b, c); printf ("Area of triangle = %.21f\n", area); return 0; Enter the sides of triangle 4.0 5.0 6.0 Area of triangle = 9.92 } You can use sqrt() from math.h header file. Its prototype is: double sqrt (double x); A sample run of this program is shown in the following figure.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Max Function

Statistical function is of many categories. One of them is a MAX function. The MAX function returns the largest value from the list of arguments passed to it. MAX function always ignores the empty cells when performing the calculation.

Power Function

A power function is a type of single-term function. Its definition states that it is a variable containing a base value raised to a constant value acting as an exponent. This variable may also have a coefficient. For instance, the area of a circle can be given as:

Question

100%

You can calculate the area of a triangle if you know the lengths of all three sides, using a
formula that has been known for nearly 2000 years. It is called "Heron's Formula". Heron's formula
uses the following two steps to calculate the area of a triangle.
Step 1: Calculate "s" (half of the triangles perimeter): S=
Step 2: Calculate Area: A = √s(sa)(sb)(sc)
By using Heron's formula, write the definition of the function area_of_triangle so that it can work in
conjunction with the following source code.
#include <stdio.h>
#include<math.h>
int main (void)
{
double a, b, c, area;
printf("Enter the sides of triangle\n");
scanf("%lf%lf%lf", &a, &b, &c);
a+b+c
2
area = area_of_triangle (a, b, c);
printf ("Area of triangle = %.21f\n", area);
return 0;
}
You can use sqrt() from math.h header file. Its prototype is: double sqrt (double x);
A sample run of this program is shown in the following figure.
Enter the sides of triangle
4.0
5.0
6.0
Area of triangle = 9.92

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