Q1-A cuboid shaped box of length 11 cm , breadth 6 cm and height 10 cm contains a cube shaped box and a cylindrical box inside it. Find the volume of the cuboid shaped box
2-Find the minimum size of gift wrapping paper required to wrap the cuboid shaped box .
3-If the edge of the cube is half of the breadth of the cuboid shaped box. Find the edge of the cubical box
4-What is the volume of air inside 10 such hollow cylindrical boxes if its radius is 7 cm & height is same as that of the cuboidal box . ( Take π = 22/ 7 )
5-What is the volume of air inside 10 such hollow cylindrical boxes if its radius is 7 cm & height is same as that of the cuboidal box . ( Take π = 22/ 7 )
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Answer:
q1=Given that l=20cm, b=12cm, h=9cm
∴T.S.A=2(lb+bh+lh)
=2[(20×12)+(12×9)+(20×9)]
=2(240+108+180)
=2×528
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