#include“stdio.h” #include"conio.h” void main() (float radius=1.5,length,area,pi=3.14; length=2 pi radius; area=pi radius radius; radius=1.500000 printf"radius=%fn”,radius)方 printf(length =%7.2f,area=%7.2f\n",length,area); getch(); length 9.42,area=7.07 2024/10/28 4 2024/10/28 4 #include “stdio.h” #include “conio.h” void main( ) {float radius = 1.5, length, area, pi=3.14; length = 2 * pi * radius; area = pi * radius * radius; printf(“radius = %f\n”, radius); printf(“length = %7.2f, area=%7.2f\n”, length, area); getch(); } radius = 1.500000 length = 9.42, area = 7.07