Create an SVG path from an example image

My example image is attached as bob.png. The corners don’t line up perfectly in my example because I mocked it up on my own and I don’t know what I’m doing. In the result you submit to me, the corners should line up perfectly. It is a right triangle and a half circle joined as a single SVG. Pretty straight forward.

The result I want is this shape’s SVG path, as simply stated as possible, that can, for example, be entered in the path parameter for symbolThree in this JS Fiddle: https://jsfiddle.net/laurenkuhlman/k4wzuL9m/4/