Two cubes each of side 3cm are joined together find the volume of the new solid formed

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When two cubes of side 2 cm each are joined end to end then,

Length (l) = (2 + 2) = 4cm 

Breadth (b) = 2 cm; Height (h) = 2 cm 

∴ Volume of cuboid = lbh = 4 x 2 x 2 = 16 cm3 

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If two cubes each of side 6 cm are joined face to face, then find the volume of the resulting cuboid.

We have,

Side of each cube (a) = 6 cm

We need to find the volume of resulting cuboid

Hence, dimensions of the resulting cuboid are,

Length (l) = 2a

= 2 × 6

= 12 cm

Breadth (b) = a

= 6 cm

Height (h) = a

= 6 cm

Hence, volume of the resulting cuboid,

`V = lbh`

  `=12 xx 6xx 6`

  `=432   cm^3`

Hence, volume of the resulting cuboid is 432 cm3.

Concept: Surface Area of a Cuboid

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