Question

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7.
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
(ii) the difference between the lengths of the
two circumferences of the track




answer fast please ☝​

Answer 1

Answer:

please let me know

Step-by-step explanation:

• radii of first circle is 63m circumference is

c=2π......... sorry