19.16 LAB: Area of a triangle Using Heron's formula, you can calculate the area of a triangle if you know the lengths of all three sides. Given the length of each side of a triangle as input, calculate the area of the triangle using Heron's formula as follows: s = half of the triangle's perimeter area = the square root of s*(s-a)*(s-b)*(s-c), where a, b, and c are each sides of the triangle. Hint: Use the math function sqrt() for calculating the square root. Output the floating-point value of the area with two digits after the decimal point using the following statement once before all other cout statements: cout << fixed << setprecision(2); Ex: If the input for a, b, and c is: 3.0 4.0 5.0 the output is: Triangle area = 6.00 #include #include #include using namespace std; int main() { /* Type your code here. */ return 0; }
19.16 LAB: Area of a triangle Using Heron's formula, you can calculate the area of a triangle if you know the lengths of all three sides. Given the length of each side of a triangle as input, calculate the area of the triangle using Heron's formula as follows: s = half of the triangle's perimeter area = the square root of s*(s-a)*(s-b)*(s-c), where a, b, and c are each sides of the triangle. Hint: Use the math function sqrt() for calculating the square root. Output the floating-point value of the area with two digits after the decimal point using the following statement once before all other cout statements: cout << fixed << setprecision(2); Ex: If the input for a, b, and c is: 3.0 4.0 5.0 the output is: Triangle area = 6.00 #include #include #include using namespace std; int main() { /* Type your code here. */ return 0; }
C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter8: Arrays And Strings
Section: Chapter Questions
Problem 10PE
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19.16 LAB: Area of a triangle
Using Heron's formula, you can calculate the area of a triangle if you know the lengths of all three sides. Given the length of each side of a triangle as input, calculate the area of the triangle using Heron's formula as follows:
- s = half of the triangle's perimeter
- area = the square root of s*(s-a)*(s-b)*(s-c), where a, b, and c are each sides of the triangle.
Hint: Use the math function sqrt() for calculating the square root.
Output the floating-point value of the area with two digits after the decimal point using the following statement once before all other cout statements:
cout << fixed << setprecision(2);
Ex: If the input for a, b, and c is:
3.0 4.0 5.0the output is:
Triangle area = 6.00#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main() {
/* Type your code here. */
return 0;
}
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