Question

Total surface area of cube is 5400 sq.cm . Find the surface area of all vertical faces of the cube.




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Answer 1

Answer:

3600sq.cm

Step-by-step explanation:

TSA of 6 face = 5400sq.cm

TSA of 1 face  = 900sq.cm

TSA of the horizontal face(4 faces) = 3600sq.cm

Answer 2

Answer:

5400÷3 = √900 =30

therefore 30 is one side of the çube

surface area of all the vertices of faces = 4l²

therefore, 4(30)² = 3600cm²