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Question
In a right circular cone, the cross-section made by a plane parallel to the base is a
Options
sphere
hemisphere
circle
a semicircle
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Solution
circle
In a right circular cone, the cross-section made by a plane parallel to the base is a circle.
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Statement A (Assertion): Total Surface area of the top is the sum of the curved surface area of the hemisphere and the curved surface area of the cone.
Statement R( Reason): Top is obtained by joining the plane surfaces of the hemisphere and cone together.
