Question

Find the lateral surface area and total surface area of a cube of edge 10 cm.

Answer 1

Answer:

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Answer 2

Given :  Edge of cube = 10 cm

Total surface area of cube , T.S.A = 6a²

T.S.A of cube = 6 × 100  

T.S.A of cube = 600 cm²

 

Lateral surface area of cube , L.S.A = 4a²

L.S.A of cube = 4 × 100  

L.S.A of cube = 400 cm²

 

Lateral surface area of a cuboid :

If out of the 6 faces of a cuboid we do not include the bottom and top faces then the area of the remaining four faces is called the lateral surface area of the cuboid.

Lateral surface area of a cuboid = 2(l + b)h

It is also known as Area of four walls of a room.

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