How do you find the area of a circle with radius in Java?

The formula for calculating area of a circle is, Area = PI * r * r, where PI is a constant and r is the radius of the circle.

How do you find the radius of a circle in Java?

Another way to get the radius value is to use input data from the user: Scanner sc = new Scanner(System.in); System. out. println(“Please enter radius value: “); double radius = sc.

How do you program a circle in Java?

Java Program to Calculate and Display Area of a Circle

1. import java.util.Scanner;
2. public class Area.
3. {
4. public static void main(String[] args)
5. {
6. int r;
7. double pi = 3.14, area;
8. Scanner s = new Scanner(System. in);

How do you write a Python program which accepts the radius of a circle from the user and compute the area?

Python: Tips of the Day

1. r = float(input(“Enter the radius of the circle: “))
2. area = 3.1416 * r.
3. print(“Radius:”, r)
4. print(“Area = “, area)
5. #Output: Enter the radius of the circle: 1.1. Radius: 1.1. Area = 3.45576.

How do we find perimeter of a circle?

Learn that the perimeter of a circle has its own special name, called “circumference.” The symbol is a capital C. It is calculated using the formula Pi x diameter, or 3.14 x d = C. It can also be calculated by Pi x (2 x radius) = C or 3.14 x (2 x r) = C. Learn about Pi.

How do you program an area of a circle in Java?

How do you write circumference in Java?

Java Program to Calculate Area and Circumference of a Circle

1. Note – The area of a circle is calculated using the formula 3.14*r*r. Where r is the radius value of circle.
2. Note – The circumference of a circle is calculated using the formula 2*3.14*r.
3. Note – In above formulae, 3.14 is the value of Pi or π

How to find the area of a circle in C program?

C Program for Program to find the area of a circle? The area is a quantity that represents the extent of the figure in two dimensions. The area of a circle is the area covered by the circle in a two dimensional plane. To find the area of a circle, the radius [r] or diameter [d] (2* radius) is required.

How to calculate area of a circle with a radius of 5?

If a circle has a radius of 5, its area is 3.14*5*5=78.53. Import math module in python program. Take input number from user. Calculate area of the circle with a given radius by using formula pi * r**2. Print result. Write a python program which accept the radius of a circle from the user and compute the area.

How do you find the area of a circle in Python?

The area of a circle can be found by multiplying pi (π = 3.14) by the square of the radius. e.g. If a circle has a radius of 5, its area is 3.14*5*5=78.53. Algorithm to find the Area of a circle in python Import math module in python program.

What is the area of the circle to the left?

The area of a circle is the number of square units inside that circle. If each square in the circle to the left has an area of 1 cm 2, you could count the total number of squares to get the area of this circle. What is area of circle formula? The area of a circle can be found by multiplying pi ( π = 3.14) by the square of the radius. e.g.