#include #include #define PI 3.14159void main(){ float r1,r2,h,s1,s2,s3,v,l;//l是母线长 printf("圆台的计算(默认单位为cm,只输入数字,不要输入单位):\n"); printf("r1="); scanf("%f",&r1); printf("r2="); scanf("%f",&r2); printf("h="); scanf("%f",&h); s1=PI*r1*r1; s2=PI*r2*r2; l=sqrt(h*h+(r2-r1)*(r2-r1)); s3=P |