Draw a thirty-sixty-ninety triangle with a turtle. The illustration below might be helpful:

**Extra extra credit**

Write a function tsn() that takes the shorter leg of the triangle as input and draws the right triangle in the proportion shown. In other words, if your function is called like this:

tsn(100)

Your function should draw a thirty-sixty-ninety triangle with hypotenuse of length 200 and legs of length 100 and 173.