13.1,4,5,6

SURFACE AREAS AND VOLUMES. : SURFACE AREAS AND VOLUMES. CHAPTER - 13 EXERCISE - 13.1

QUESTION 4:- A cubical block of side 7 cm is surmounted by a hemisphere. What is the greatest diameter the hemisphere can have? Find the surface area of the solid. : QUESTION 4:- A cubical block of side 7 cm is surmounted by a hemisphere. What is the greatest diameter the hemisphere can have? Find the surface area of the solid.

QUESTION 5:-A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter ℓ of the hemisphere is equal to the edge of the cube. Determine the surface area of the remaining solid. : QUESTION 5:-A hemispherical depression is cut out from one face of a cubical wooden block such that the diameter ℓ of the hemisphere is equal to the edge of the cube. Determine the surface area of the remaining solid.

QUESTION 6:- A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends (see fig.). The length of the entire capsule is 14 mm and the diameter of the capsule is 5mm. Find its surface area. : QUESTION 6:- A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends (see fig.). The length of the entire capsule is 14 mm and the diameter of the capsule is 5mm. Find its surface area. 14 mm

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