So i am not getting the formula for the last one I'm not sure why it is not coming out. And also for the Fahrenheit my value keeps equaling to 0 I am not sure why.

Code://study iomanip to depth for this project //to define a constant use #define PI 3.14159 #include "stdafx.h" #include <iostream> #include <iomanip> #define PI 3.14159 #define g 9.81 using namespace std; int main() { double Volume,SurfaceArea,Circumference,Area,Sum, SideA; double Length,Width,Height,SlantHeight,Radius,Value; int F,K,C; // temperatures double Number, a, l; double P,V,R,T SideA = 15; // This is the base of the triangle Height = 3; Area = 1 * SideA * Height / 2; cout << "\n\t\tThe area of this beautiful triangle = " << Area; //Volume of Sphere Radius = 6; Height = 3; Volume = 4/3 * PI * Radius * Radius; cout << "\n\t\t The volume of this cone = " << Volume; //The Sum Number = 4; a = 1; l = 7; Sum = Number/2 * (a+l); cout<<"\n\n\n The Sum of this sum = " << Sum; // I don't know Radius = 3; SlantHeight = 4; Area = PI * Radius * SlantHeight * 1/2; cout<<"\n\n\n The Area of this = " << Area; //Celcius C = 100; cout << "\n\t\tThe value of 5 / 9 * (F - 32) = " << 5/9* (F - 32) << " Farenheit"; //Farenheit F = 150; cout <<"\n\t\tThe value of 9 / 5 * C + 32 = " << 9/5 * C + 32 <<" Celcius "; // Last Formula P = 3; V = 6; R = 2; T = 7; Number = P*V/T*R; cout<<"\n\n\t The value of P * V/ T* R = " << Value; cout << "\n\n\n"; return 0; }