Area of square :

#include<stdio.h>
#include<conio.h>
void main()
{

int l,area;
clrscr();
printf("Enter the lenth of your squre:";
scanf("%d",&l);
area=l*l;
printf("Area of your squre=%d",area);
getch();

}

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Area of Cube :
#include<stdio.h>
#include<conio.h>
void main()
{

int l,b,h,a;
clrscr();
printf("\n\n\nEnter the lenth of your QUEB:";
scanf("%d",&l);
printf("\n\n\nEnter the width of your QUEB:";
scanf("%d",&b);
printf("\n\n\nEnter the height of your QUEB:";
scanf("%d",&h);
a=2*(l*b+l*h+b*h);
printf("\n\n\nArea of your squre=%d",a);
getch();

}

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