SOLUTION: a circular bicycle track is built with a radius 45m. what will be the total length, in meters of the rail built at the outer edge of the track

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Question 1026461: a circular bicycle track is built with a radius 45m. what will be the total length, in meters of the rail built at the outer edge of the track
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +C+ = outer circumference
+C+=+2%2Api%2Ar+
+r+=+45+ m
+C+=+2%2A3.14159%2A45+
+C+=+282.743+ m