Here, we will find the area and perimeter of rectangle using a C Program as follows:
Example:
Input:
l = 10 b = 10
Output:
area = 100 perimeter = 40
Explanation:
The formula for the area of a rectangle is
Area = length*breadth => l*b
The formula for the perimeter of a rectangle is
Perimeter = 2*(length + breadth) => 2*(l+b)
Method 1:
C
// C program to demonstrate the // area and perimeter of rectangle #include <stdio.h> int main()
{ int l = 10, b = 10;
printf ( "Area of rectangle is : %d" , l * b);
printf ( "\nPerimeter of rectangle is : %d" , 2 * (l + b));
return 0;
} |
Output
Area of rectangle is : 100 Perimeter of rectangle is : 40
Method 2:
C
// C program to demonstrate the // area and perimeter of rectangle #include <stdio.h> int main()
{ int l = 10, b = 10;
int A, P;
A = l * b;
P = 2 * (l + b);
printf ( "Area of rectangle is : %d" , A);
printf ( "\nPerimeter of rectangle is : %d" , P);
return 0;
} |
Output
Area of rectangle is : 100 Perimeter of rectangle is : 40
Method 3: Using functions
C
// C program to demonstrate the // area and perimeter of rectangle // using function #include <stdio.h> int area( int a, int b)
{ int A;
A = a * b;
return A;
} int perimeter( int a, int b)
{ int P;
P = 2 * (a + b);
return P;
} int main()
{ int l = 10, b = 10;
printf ( "Area of rectangle is : %d" , area(l, b));
printf ( "\nPerimeter of rectangle is : %d" ,
perimeter(l, b));
return 0;
} |
Output
Area of rectangle is : 100 Perimeter of rectangle is : 40