Hello, leftyguitarjoe!

Your answer has the area in terms of both and

Your answer should have only.

A Norman window has the shape of a rectangle surmounted by a semicircle.

If the perimeter of the window is 38 ft, express the area of the window

as a function of the width of the window. Code:

* * *
* *
* *
* *
* *
* - - - - * - - - - *
| |
| |
h | | h
| |
| |
* - - - - - - - - - *
x

The semicircle has diameter and radius

The circumference of the semicircle is: .

The perimeter is: .

. . .[1]

The area of the semicircle is: .

The area of the rectangle is: .

The total area is: . .[2]

Substitute [1] into [2]: .

. . which simplifies to: .

But check my work . . . please!

.