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प्रश्न
The formula to find the area of the circular path is
विकल्प
π(R2 – r2) sq.units
πr2 sq.units
2πr2 sq.units
πr2 + 2r sq.units
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उत्तर
The formula to find the area of the circular path is π(R2 – r2) sq.units
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