Question

the number of wooden cubes of side 3 cm kept in a box whose dimensions are 9cm × 12 CM x 15 CM are
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Answer 1

Answer:

Step-by-step explanation:

Hi ,

dimensions of the cuboid = 10cm ×9cm×6cm

length of the side of the cube = a = 3cm

Let the number of cubes made by the

given cubiod = n

n = ( volume of the cubiod ) / volume of cube

= ( lbh ) / a³

= ( 10cm × 9cm × 6cm ) / ( 3cm )³

= ( 10 × 9 × 6 ) / ( 3 × 3 × 3 )

= 30

n = 30

Therefore ,

The number of cubes cut from cubiod = n = 30

I hope this helps you.

Answer 2

Volume of cuboid=9×12×15cm
=1620cm
Volume of cube=3×3×3=27
No. of cubes kept in the box=1620/27=60

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