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What is the approximate length of the track in miles

What Is The Approximate Length Of The Track In Miles class=

Sagot :

Explanation

Opposite sides are 5 miles each and for each semicircle we have:

[tex]\frac{2\pi *\frac{1}{2}}{2}=\frac{\pi}{2}\text{ miles}[/tex]

Then the lenght of the track is:

[tex]5+5+\frac{\pi}{2}+\frac{\pi}{2}=10+\pi[/tex]

Approximately 13.1416 miles