## prepare models of 2 cubes of same size join them along length/breadth /height find the lateral tsa,total surface area of tsa of new cuboid o

Question

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## Answers ( )

Step-by-step explanation:Let the Side of both cube be ‘a’

lenght of the cuboid =2a

breadth of the cuboid=2a

height of the cuboid =a

lateral surface area=2(l+b)×h

=2(2a+2a)×a

=2×4a²=8a²

Tsa= 2(lb+bh+lh)

= 2(2a×2a+2a×a+2a×a)

= 2(4a²+2a²+2a²)

= 2×8a² = 16a²