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Deepak Bora

Asked: July 31, 2020In: CBSE

A solid toy is in the form of a hemisphere surmounted by a right circular cone of same radius. The height of the cone is 10 cm and the radius of the base is 7 cm. Determine the volume of the toy. Also find the area of the coloured sheet required to cover the toy. [ Use π = 22/7 and √149 = 12.2

CBSE 10th Class Mathematics Past year question paper Year 2020 SET 1, Code Number – 30/5/1 Question Number – 38 hemisphere surmounted by a right circular cone of same radius cone area and volume problem

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A solid toy is in the form of a hemisphere surmounted by a right circular cone of same radius. The height of the cone is 10 cm and the radius of the base is 7 cm. Determine the volume of the toy. Also find the area of the coloured sheet required to cover the toy. [ Use π = 22/7 and √149 = 12.2