Saturday, August 20, 2016



EX. NO. 6.5 

1. The radius of the base of a right circular cylinder is 3 cm and height is 7 cm. Find (i) curved surface area (ii) total surface area (iii) volume of the right circular cylinder.  [VIDEO]

2. The volume of a cylinder is 504 pi cu. cm. and height is 14 cm. Find its curved surface area and total surface area. Express answer in terms of pi. [VIDEO]

3. The radius and height of a cylinder are in the ratio 3:7 and its volume is 1584 cu. cm. Find its radius. [VIDEO]

4. Keeping the height same, how many times the radius of the given cylinder should be made to get the cylinder of double volume of the given cylinder? [VIDEO]

EX. NO. 6.6

1. The curved surface area of a cone is 4070 sq. cm. and its diameter is 70 cm. What is its slant height. [VIDEO]