Question

The dimensions of a metal blocks
are 9 m, 6.25 m and 0.78 m. It is
melted and then cubical blocks are
made. Find the number of cubical
blocks which can be made from it.
if the edge of block is 0.75 m.​

Answer 1

Answer:

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Step-by-step explanation:

now here metal blocks must be in cubodial shape

so here for cubodial metal blocks

length(l)=9m

breadth(b)=6.25 m

height(h)=0.78 m

also these cubodial metal blocks were melted and casted into cubical blocks

so the side of each cubical block=0.75 m

so thus number of cubical blocks that can be made from given dimensions=volume of cuboidal metal blocks/volume of cubical blocks

so volume of cuboidal metal block=volume of cuboid=l×b×h

also volume of cubical blocks=(side)cube

so thus then number of cubical blocks that can be made from given dimensions=l×b×h/(side) cube

=9×6.25×0.78/0.75×0.75×0.75

=43.875/0.421875

=104

hence 104 cubical metal blocks can be made from given dimensions