(4 pts) A Norman window consists of a rectangle surmounted by a semicircle (see figure). The window has rectangular portion of the window has width...

6. (4 pts) A Norman window consists of a rectangle surmounted by a semicircle (see figure). The window has rectangular portion of the window has width 4" and height 6". (a) Find the area of the window. (b) How much wood trim is needed to boarder the window?