diff --git a/subjects/getarea/README.md b/subjects/getarea/README.md index 6e85f7b1..2703b6d5 100644 --- a/subjects/getarea/README.md +++ b/subjects/getarea/README.md @@ -1,13 +1,12 @@ ## get-area -### instructions +### Instructions + +Write a program that takes a positive number as radius and prints the area of a circle. + - The area of the circle is `3.14` times the radius squared. + - Only positive numbers will be accepted, otherwise print `Error` followed by (`'\n'`) + - if the number of arguments is not `1` print (`'\n'`) -- Write a program that takes a number and prints the area of the circle. - - The area of the circle is `π` times the radius squared. - - if the number is not positive or is not a number, print `Error` followed by (`'\n'`) - - if the number is positive, print the area of the circle followed by (`'\n'`) - - if the number of arguments is not `1` print (`'\n'`) - - You may assume that the value of `π` is 3.14 ### Usage @@ -15,7 +14,7 @@ $ go run . | cat -e $ $ go run . 10 | cat -e -315$ +314$ $ go run . 4 | cat -e 50$ $ go run . -10 | cat -e