The difference is length between the arc and the subtended chord on the surface of the earth for a distance of 18.2 km is only ?

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Ritu Nagar

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Q. The difference is length between the arc and the subtended chord on the surface of the earth for a distance of 18.2 km is only ?

(A) 50 mm
(B) 30 mm
(C) 10 mm
(D) 100 mm

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✅ Correct Answer: (C) 10 mm

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