D Write a program that reads 3 sides of a triangle and calculates the perimeter of the triangle and the area using the formulae?

Answer 1

//Written in C++. ALFRED OMONDI ORIMBO (orimbo@gmail.com)

# include

# include

using namespace std;

void main()

{

double s,a,b,c,area;

cout<<"type a value for first side of triangle: ";

cin>>a;

cout<<"\ntype a value for second side of triangle: ";

cin>>b;

cout<<"\ntype a value for third side of triangle: ";

cin>>c;

s=(a+b+c)/2;

area = sqrt(s*(s-a)*(s-b)*(s-c));

cout<<"\narea = "<

}