Math, asked by rajeshpal39438, 4 days ago

three metal cubes of side 6cm 8cm and 10cm are melted and recast into a big cube.Find its total surface area.​

Answers

Answered by ashish2006april
3

Answer:

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Step-by-step explanation:

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Answered by ashikapal499
0

Answer

Let the length of each edge of the new cube be a cm. Then

a

3

=(6

3

+8

3

+10

3

)cm

3

⇒a

3

=1728⇒a=12

Volume of the new cube =a

3

=1728cm

3

Surface Area of the new cube =6a

2

=6×12

2

cm

2

=864cm

2

Diagonal of the new cube =

3

a=12

3

cm

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