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The radii of the inner and outer circumferences of a circular running track are 63 m and 70 m respectively. Find :

(i) the area of the track ; 

(it) the difference between the lengths of the two circumferences of the track.

1 Answer

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Best answer

= 2x 22/7 x 63 = 396 m

Difference between lengths of two circumferences = 440 – 396 = 44 m

Hence (i) 2926 m2 (ii) 44 m

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