Maddie6222005 Maddie6222005

15-02-2018
Mathematics

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This math question I am confused with... my teacher gave me the formula 400= 2•pi•r
Pi= 3.14 if u were wondering. Thank you!

This math question I am confused with my teacher gave me the formula 400 2pir Pi 314 if u were wondering Thank you class=

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Ananyathesmartie Ananyathesmartie

15-02-2018

The radius of the track is 63.69 ) you have to 400/2/3.14
to find the area of a circle is pi(r)^2 . the radius is 63.69
63.69^2 x 3.14 is 12737.14
The answer is 12737.14 m^2

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