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प्रश्न
How is the unit of km2 related to the S.I. unit of area?
संख्यात्मक
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उत्तर
One square kilometer is the area of the square of each side 1 kilometer. Thus,
1 km2 = 1 km × 1 km = 1000 m × 1000 m =106 m2
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Area and It’s Unit
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