Question

write a C plus plus program to calculate the area of circle​

Answer 1

Answer:

Programming

#include < stdio.h >

#include < conio.h > #define PI 3.141.

int main()

{

float radius, area;

printf("Enter radius of circle\n");

scanf("%f", & radius);

area = PI * radius * radius;

Answer 2

Answer:

given below

Explanation:

#include studio.h#

#include conio.h#

<

180×(radius)^2

>