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kykrilka [37]
2 years ago
9

Amit makes a cuboid having sides 3cm, 2cm & 3cm. How many such cuboids will be required to form a cube.​

Mathematics
2 answers:
Aneli [31]2 years ago
8 0

Answer:

Hi,

Answer: 12

Step-by-step explanation:

lcm(3,2,3)=6

Volume of a cuboid=3*2*3=18 (cm³)

Volume of the cube=6³=216 (cm³)

Number of cuboids=216/18=12.

Tatiana [17]2 years ago
5 0

Start with a volume of a cuboid,

V=abc=3\cdot2\cdot3=18\mathrm{cm^3}

The side of the cube we need equals to the LCM of the cubiod's sides,

\mathrm{LCM}(a,b,c)=\mathrm{LCM}(3,2,3)=6

Now compute the volume of such cube,

V=\mathrm{LCM}(a,b,c)^3=6^3=216\mathrm{cm^3}

Divide the volumes to get how many cubiods are in such cube,

\dfrac{V_{\mathrm{cube}}}{V_{\mathrm{cubiod}}}=\dfrac{216}{18}=\boxed{12}

Hope this helps :)

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