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Find the area of the shaded region. 14ft 21ft with a circle in the middle

Find the area of the shaded region. 14ft 21ft with a circle in the middle-example-1

1 Answer

3 votes

Answer:

140.14 ft

Explanation:

This is a 3 step problem.

The first step is to find the area of the rectangle, and the formula is:


A=lw with l being the length and w being the width

substitute in the values:

A=21(14)

A=294

The next step is to find the area of the circle. We aren't given much information, except that the diameter of the circle is 14 ft because the 2 ends of the circle are at the ends of the width of the rectangle.

The formula for the area of a circle is:


A=\pi r^(2) with r² being the radius squared

substitute in the values:


A=\pi 7^(2) \\A=\pi 49\\A=153.86 (this is with
\pi being 3.14)

The final step is to subtract the 2 values to find the shaded area.

294-153.86

=140.14

So the area of the shaded region is 140.14 feet

Hope this helps! :)

answered
User Clearpath
by
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