Answer / sureshzzz

#include <stdio.h>
#include <math.h>
int main(){
float r,h;
float volume;
printf( "Enter size
of radius and height of
a cylinder : " );
scanf( "%f
%f" ,&r,&h);
volume = M_PI * r
* r * h;
printf( "\nVolume of
cylinder is :
%.3f" ,volume);
return 0;
}

i don't know about working of nested for loop can any one help me

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