Create a float variable named area.

float area;

Explanation:

The float datatype is used for storing the decimal number. The syntax of declaring float variable is given below.

float variablename;

float area;

area=89.900002; / / storing the value

following the program in c language

#include / / header file

int main () / / main function

{

float area=89.900002; / / declared and initialize a float variable

printf ("%f", area); / / display the area value

return 0;

}