If V is the volume of a cuboid of dim...

If `V` is the volume of a cuboid of dimensions `a , b , ca n dS` is its surface area, then prove that

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If V is the volume of a cuboid of dimensions a ,\ b ,\ c\ a n d\ S is its surface area, then prove that 1/V=2/S(1/a+1/b+1/c)

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NAGEEN PRAKASHAN ENGLISH-SURFACE AREA AND VOLUME-Exercise 13a

The length, breadth and height of a room are 7.5 m, 4.5 m and 3.0 m re...
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The cost of papering the walls of a room 12 m long at the rate of Rs....
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Find the volume of wood required for a closed wooden box with external...
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Three cubes whose edges are 6 cm, 8 cm and x cm, respectively are mel...
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Three cubes of metal whose edges are in the ratio 3:4:5 are melted ...
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How many cubes of edge 3 cm can be formed from a wooden piece of dimen...
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Find the number of bricks required to construct a wall of dimensions 3...
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The external dimension of an open box are 40 cm xx 30 cm xx 35 cm. All...
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The sum of the length, breadth and height of a cuboid is 38 cm and the...
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A wall 24 m long, 5 m high and 0-25 m thick is to be constructed using...
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50 student sit in a classroom. Each student requires 9 m^(2) area on f...
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A rectangular cardboard sheet has length 32 cm and breadth 26 cm. The ...
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In a shower, 5 cm of rain falls. Find the volume of water that falls o...
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A feild is 70 m long and 40 m broad. In one corner of the field, a pit...
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If V is the volume of a cuboid of dimensions a , b , ca n dS is its...
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The areas of three adjacent faces of a cuboid are x, y and z. If the v...
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If each edge of a cube is increased by 25%, then the percentage incr...
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Find the percentage increase in the surface area of a cube if each sid...
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A metallic sheet is of the rectangular shape with dimensions 48 c m...
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A tank measures 2 m long 1.6 m wide and 1m depth water is there up to ...
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