Question

Find the surface area of a cubical box whose one side is 80 cm.
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Answer 1

Answer:

The surface area is of two type: lateral(LSA) and total (TSA)

LSA of cube is sum of areas of four faces of cube

i.e LSA = 4*area of each face

           = 4* (80)²

           = 25600 cm²

TSA of cube = LSA + area of top and bottom faces

                   = 25600 + 2(80)²

                     = 38400 cm²

Step-by-step explanation:

Hope it helps

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Answer 2

Answer:

Here is the answer.

Step-by-step explanation:

The surface area is of two type: lateral(LSA) and total (TSA)

LSA of cube is sum of areas of four faces of cube

i.e LSA = 4*area of each

             = 4* (80) power 2

              = 25600 cm²

TSA of cube = LSA + area of top and bottom faces

= 25600 + 2(80)²

= 38400 cm²

Hope it helps....