**C program for area of a**

**cube**

**Formula of surface area of cube:**

Surface_area = 6 * a

^{2}**Formula of volume of cube:**

Volume = a

^{3}**C code:**

#include<stdio.h>

int main(){

float a;

float
surface_area,volume;

printf("Enter
size of any side of a cube : ");

scanf("%f",&a);

surface_area
= 6 * (a * a);

volume
= a * a * a;

printf("Surface
area of cube is: %.3f",surface_area);

printf("\nVolume
of cube is : %.3f",volume);

return 0;

}

**Sample output:**

Enter size of any side of a cube: 3

Surface area of cube is: 54.000

Volume of cube is: 27.000

7. Write a c program to find the area of rhombus.

8. Write a c program to find the area of parallelogram.

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