Find circumference of a circular station whose diameter measure 3.5 km
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D=3.5 Km
r=3.5/2
=1.75
so circumfrence of station is
2×22×1.75/7
=77/7
=11km is your ans
r=3.5/2
=1.75
so circumfrence of station is
2×22×1.75/7
=77/7
=11km is your ans
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