If a cuboid of dimensions 10 cm x 15 cm x 5 cm is cut to form cubes of sides 5 cm
then what is the difference between the sum of the surface areas of these cubes and
the surface area of the original cuboid?
then what is the difference between the sum of the surface areas of these cubes and
the surface area of the original cuboid?
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Answer:
350
Step-by-step explanation:
There are 22 faces on the original cuboid so you would do 25 x 22
You have to multiply 22 by 25 because the cuboid has a side of 5 so the face would be 5 x 5 = 25
Also, there are 6 cubes when you split the cuboid into cubes so you would do 25 x 36
You have to multiply 25 by 36 because each of the cubes has 6 faces and since there are 6 cubes, 6 x 6 = 36
25 x 22 = 550
25 x 36 = 900
900 - 550 = 350