Saturday, February 11, 2012

CBSE MATH Assignment CBSE IX Mathematics Surface area and...

CBSE MATH STUDY: Assignment CBSE IX Mathematics Surface area and...:
1.The diameter of garden cylindrical roller is 2.8m long . How much area will it cover in 100 revolutions.
2. A rectangular piece of paper 16 cm by 3.5cm is rotated about the longer side. Find the total surface area of the solid so generated.
3. In a hot water heating system, there is a cylindrical pipe of length 35m and radius 4cm find the total radiating surface in the system
4. Find the curved surface area of the right circular cone whose slant height is 10cm and base radius is 7cm.

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