Hamal Total surface area = 21xb + bxh + hx ) - 2 ( 24x8 + 8x8 - 8x24 ) cm = Volume = ixbxh = 24x8x8cm ' = 1536 cms EXERCISE 21 ( A ) ) 1 . Find the volume and the total surface area of8 . Asolid cuboid of acuboid , whose : 18cm and 4 cm ( 1 ) length - 15 cm , breadth = 10am and9 Awall 9m long , height - 8 cm to be constructe ( 1 ) 13 . 5m , b32 . 6mandh = 90 cm . 30 cm , 15cma will be required 0 The volume of a cuboid is 3456 cm ' . | | its length = D24cm and breadth = 18cm . find its height . No . of bricks ( i ) The volume of a cuboid is7 . 68mpitits 10 . Asolid cubenf 2
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