c program to find area of circle using pointers

Find the arena of a circle in C programming.

A circle is a closed cypher. All the points of the circle are equal from a point that lies inside in circle. The point at the center is known as the center of the circle. The distance of points from the heart is known as the radius.

The area is the vicenary representation of the span of the dimensions of a closed reckon.

The area of circle is the area enclosed privileged the dimensions of a circle.

The formula for calculating the area of a circle,

Area = π*r*r

To calculate the area we are given the r of the circle as input and we will habit the normal to calculate the arena,

Algorithm

Step out 1: Take radius atomic number 3 input from the user using std stimulus. Pace 2: Calculate the area of circle using,    area = (3.14)*r*r Ill-trea 3: Print the region to the screen using the std output.

Example

Variables used −

int r , the radius of the circle

plasterer's float area, the area of band calculated using the formula.

Bouncy Demo

#admit <stdio.h> int main(){    int r = 8;    float area = (3.14)*r*r;    printf("The area of the circle is %f",area);    revert 0; }

Output

The country of the circle is 200.96

Published on 19-Sep-2019 08:51:56

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c program to find area of circle using pointers

Source: https://www.tutorialspoint.com/find-the-area-of-a-circle-in-c-programming

Tina Witon1950