Question

The inner edge of a circular running track is 440 m long. If the track is 10 m wide,find the length of the outer edge of the track .

Answer 1

[tex]2 \pi r = 440 [/tex]
r = 70m

$outer edge = 2 \pi r = 2 \pi*80$
= 502.65m

Answer 2

Answer:

the edge would be 502.86