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What is the surface area and volume of a cube of 1 decimetre?
Surface area
1X1x6x2-1x1x2
=12-2
=10 Mm2
Volume
1X1x1x2=2 decimeters
In the upper right corner, click Evaluate, and then you can choose Satisfied, the problem is solved.
A cuboid has a surface area of 160 decimetres square. Saw it into two identical cubes. How much more square decimetres does it have? A cuboid has a surface area of 160 square decimetres. How much more square decimetres does it add to the original surface area by sawing it into two identical cubes?
Because a cuboid has a surface area of 160 square decimetres, it is sawn into two identical cubes and has a surface area of two smaller squares than before.
2 Identical cubes:6×2=12(faces)
The original cuboid has 12-2=10 such faces
Area of each face:160÷10=16(square decimeter)
Its surface area is 16×2=32(square decimeter)
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