Answer:
# include<iostream>
#include<conio.h>
using namespace std;
void main ()
{
float r, area;
cout<<"Enter the radius of the circle";
cin>>r;
area = 3.14 * (r^2);
cout<<"\nArea of Circle= "<<area;
getch();
}
Explanation:
In this program, float is selected as data type for both radius and area. As, both the value can be in decimal. r is the name of radius variable. area represents the area of circle. By using cout and cin enter the value of radius. By applying formula, calculate the area and shown on output.
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Answer:
C
Explanation:
As the unit is defined as integer type i.e. unit will have whole number, mass is defined as float data type which will have fractional values, and weight is defined as double data type which can have both values i.e. fractional value or integer value.
If you multiply an integer value by a fractional/decimal value it will give fractional value (unit value will promote to fractions).
Thus, result will be fractional value so result of unit*mass will be double.
In the font options there is a checkbox for strikethrough. Same dialog as word, only there is no button in the ribbon for it. You could customize that by creating a custom group if you want to.
When a user is created in Linux using the useradd command, the <em>immediate state</em> of the created account is locked.
- The useradd command can be invoked in other to create a new user account using the following command
sudo useradd fast_user
<em>#fast_user</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>name</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>account</em><em> </em><em>created</em><em> </em>
- At this point, the account has been created but it will be locked until the required login details are set. This can be achieved using the line ;
sudo passwd fast_user
Therefore, an account created using the useradd command is in a locked state.
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