Area+and+Circumference

Task
Write a program which asks the user to input the radius of a circle and then calculates the circumference and area of that circle.

The formula for calculating the circumference of a circle is: C = 2 π r, where π = 3.14 The formula for calculating the area of a circle is: A = π r 2, where π = 3.14

Design
What are the inputs, processes and outputs for this program?

What variables will be required?

What are the steps the program will be required to carry out?

Program and testing
Write the code and test your program.