a rectangular solid metallic cuboid 18cm x 15cm x 4.5cm is melted and recast into solid cubes each of side 3cm. How many cubes can be made?
Volume of metallic cuboid = l*b*h = 18 X 15 X 4.5 =1215 cm3
Now, let the total no. of small cubes be x.
Now, volume of 1 cube = a3 = 33 = 27cm3
.'. Volume of all the cubes = 27x = 1215
=> x = 1215/27 = 45
Hence, 45 cubes can be made from the given metallic cuboid.
Now, let the total no. of small cubes be x.
Now, volume of 1 cube = a3 = 33 = 27cm3
.'. Volume of all the cubes = 27x = 1215
=> x = 1215/27 = 45
Hence, 45 cubes can be made from the given metallic cuboid.