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Ex 13.6, 3 - A soft drink is available in two packs - Volume Of Cylinder

Ex 13.6, 3 - Chapter 13 Class 9 Surface Areas and Volumes - Part 2

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Ex 13.6, 3 A soft drink is available in two packs (i) a tin can with a rectangular base of length 5 cm and width 4 cm, having a height of 15 cm and (ii) a plastic cylinder with circular base of diameter 7 cm and height 10 cm. Which container has greater capacity and by how much? Tin Can Since Tin Can has a rectangular base, it is a cuboid, where Length = 5 cm Breadth = 4 cm Height = 15 cm Capacity of tin can = Volume of cuboid = Length Breadth Height = 5 4 15 cm3 = 300 cm3 Plastic cylinder Radius of cylinder = r = ( )/2 = 7/2 cm & height of cylinder = h = 10 cm Capacity of plastic cylinder = Volume of cylinder = r2h = (22/7 7/2 7/2 10) cm = 385 cm3 Therefore, Capacity of plastic cylinder > Capacity of tin can Capacity of plastic cylinder Capacity of tin can = 385 300 cm3 Thus, the plastic cylinder has greater capacity by 85 cm3

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.