Add createCircle function

Author: thgaskell

README.md

@@ -10,7 +10,7 @@ Adds two numbers.
 **Parameters**
 
 **x**: number
-
+circumference
 **y**: number
 
 **Returns**: number, the sum
@@ -169,3 +169,13 @@ Joins two strings with a space.
 **word2**: string
 
 **Returns**: string, joined the words joined with a space
+
+createCircle(radius)
+-----------------------------
+Returns a circle object with the properties `circumferance` and `area`.
+
+**Parameters**
+
+**radius**: number
+
+**Returns**: object, circle

script.js

@@ -98,3 +98,9 @@
  * @param {string} word2 `
  * @return {string} joined the words joined with a space
  */
+
+/**
+ * Returns a circle object with the properties `circumferance` and `area`.
+ * @param {number} radius `
+ * @return {object} circle
+ */