Answered: oe’s Pizza Palace needs a program to…

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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Question

oe’s Pizza Palace needs a program to calculate the number of slices a pizza of any size can be divided into. The program should perform the following steps:

Ask the user for the diameter of the pizza in inches.
Calculate the number of slices that may be taken from a pizza of that size.
Display a message telling the number of slices.

To calculate the number of slices that may be taken from the pizza, you must know the following facts:

Each slice should have an area of 14.125 inches
To calculate the number of slices, simply divide the area of the pizza by 14.125.
The area of the pizza is calculated with this formula: Area

NOTE: π is 3.14159. The variable r is the radius of the pizza. Divide the diameter by 2 to get the radius.

Expert Solution

Step 1

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The code is written in C/C++.

#include<bits/stdc++.h>
using namespace std;
int main() {
//     variable to store the diameter
    double diameter;
//     Asking the user to enter the diameter of the pizza
    cout<<"Enter the diameter of the pizza in inches"<<endl;
//     taking in the diameter
    cin>>diameter;
//     calculating the area of the pizza
    double area=3.14*(diameter/2)*(diameter/2);
//     area of each slice
    double area_of_slice = 14.125;
//     printing the number of slices
    cout<<"No of Slices "<<(int)(area/area_of_slice)<<endl;
}

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