| prev | Getting Input Values From Keyboard 8.Area of circle(23.6.2009) /* Program# 8 date : 10-12-2008 Area of Cirlce */ #include <stdio.h> main(){ float r,p,c; p=3.14; printf("\nEnter value for r :"); scanf("%f",&r); c=p*r*r; printf("\nArea of circle : %.2f\n",c); } output: Enter value for r : 2 Area of circle : 12.56 | next |