Surface areas and volumes chap 13

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Excercise 13. 1

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SURFACE AREAS AND VOLUMES.: 

SURFACE AREAS AND VOLUMES. CHAPTER - 13 EXERCISE - 13.1

Unless stated otherwise, take  = 22/7 QUESTION 1:- 2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboid.: 

Unless stated otherwise, take  = 22/7 QUESTION 1:- 2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboid.

QUESTION 2:- A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.: 

QUESTION 2:- A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm. Find the inner surface area of the vessel.

QUESTION 3:- A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.: 

QUESTION 3:- A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.

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