The radii of two concentric circles are 8.4 cm and 7 cm the area enclosed between them is

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Q1. The volume of a right circular cone is is 9856 cube CM. If the diameter of base is 28 CM then height of the cone, slant height of the cone and curved surface of the corn is respectively A. 38,50,2200B. 48,50,2200C. 48,5,2200

O D. None of above