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Answer:
[tex]Area = 615.44 miles[/tex] is the circles area.
Explanation:
Before we answer the math problem, let's examine what we know so far.
[tex]\left[\begin{array}{cc}raidus =14miles\\Diameter = 28miles\\circumference = 87.92 miles\end{array}\right][/tex]
In Terms of Pi π
circumference = 28 π mi
Area = 196 mi^2
[tex]Diameter - Steps[/tex] - How I found the diameter ( R stands for Radius )
[tex]d = 2r\\d = 2 *14\\d = 28[/tex]
[tex]circumference - Steps[/tex] - How I found the circumference
[tex]C = 2\pi r\\C= 2 *\pi *14 \\C= 28\pi \\C = 87.92[/tex]
[tex]Area-Calcuating[/tex] ( The circules area )
[tex]A =\pi r^2\\A=\pi *14^2\\A =196\pi \\A=6.15.44miles[/tex]
So, [tex]Area = 615.44 miles[/tex] is the circles area.
Hope this helps! :D