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Assignment #1: Write a program to ask the user for a sphere radius r as a double. Then compute and display the sphere surface area using S-4*PIr*r as double. Then compute and display the sphere volume using V-(1.33)*PIrr*r as double. Use: const double PI-3.14;
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Answer #1

#include<iostream>

#define PI 3.14

using namespace std;

int main(){

double r;

cout<<"Enter radius of sphere";

cin>>r;

double sa,vol;

sa=4*PI*r*r;

vol=(1.33)*PI*r*r*r;

cout<<"Surface area of sphere is "<<sa<<endl;

cout<<"Volume of sphere is "<<vol<<endl;

}

gcc version 4.6.3 Enter radius of sphere 5 Surface area of sphere is 314 Volume of sphere is 522.825

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