# 3 cubes whose measures are 3 cm,4 cm,5 cm are joined to form a single cube . find its edge and surface area

1
by maths5

Are they melted and made into a single one?

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by maths5

Are they melted and made into a single one?

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Let the side of the larger cube be'a'.

=

27+64+125=

a=

a=6cm

therefore side of the larger cube is 6cm

the surface area of the larger cube is 6=6()

=216