Question

two cubes each of volume 729 cm cube are joined end to end. find the surface area of the resulting cuboid?​

Answer 1

Answer:

Step-by-step explanation:

csa of cube=4a2

tsa of cube=csa cube 1+csa of cube 2

vol=a3

729=a3

9=a

csa of cube 1=4(9)2

csa=324

therefore 324+324=648 is the tsa of the new formed object

Answer 2

Answer:

csa of cube=4a2

tsa of cube=csa cube 1+csa of cube 2

vol=a3

729=a3

9=a

csa of cube 1=4(9)2

csa=324

therefore 324+324=648 is the tsa of the new formed object

Step-by-step explanation:

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