E. a semicircular window with a radius of

36 inches allows light through an area of how

many square feet? you may use a calculator

if one is available. round your answer to the

nearest square foot.

14 sq. ft

Step-by-step explanation:

First, we know that the area of a circle is , where r is the radius of the circle, and is the ratio of the length of a circle's circumference to its diameter, that is, =3.1415926535 ... . But we have here a semicircle.

So, the area of a semicircle is .

We also know that 1 feet = 12 inches, so 36 inches are:

Then, the area of the semicircular window is:

≈ 14.1372.

Well, rounding the answer to the nearest square foot, we have that the semicircular window allows light through an area of 14 sq. ft .

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

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