a rain water which falls on flat rectangular surface of lenth 6m , 4m is transferred into a cylendrical vessel of internal radius of 20cm . what will be the height of the water in the cylendrical vessel if rainfall is 1cm .

Length of rectangular surface (L) = 6 m = 600 cm

Breadth of rectangular surface (B) = 4 m = 400 cm

Height of rectangular surface (H) = 1 cm

Radius of cylindrical vessel (r) = 20 cm

Let the height of cylindrical vessel = h cm

Volume of rectangular surface = Volume of cylindrical vessel

⇒ L × B × H =

⇒ 600 × 400 × 1 =

h = 190.90 cm

∴ Height of the cylindrical vessel is 190.90 cm.

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Volume1=Volume2

600*400*1=22/7*20*20*h

h=600*7/22

h=4200/22

h=190.90cm

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