christinaedward christinaedward

30-07-2015
Mathematics

Answered

I need to equation for the radius of a 400m running track I know the answer is 36.5 and I know the formula is =2\(\pi\)r

Verified Answer :

30-07-2015

This formula only applies if the track is circular. If it is, then we write the equation:

2rpi=400

Dividing by 2pi, we see that:

r=200/pi

This is approximately 63.66.

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