Question

Two identical cubes each of total surface area 6 cm^2 are joined end to end .Find the total surface area of the cuboid so formed

Answer 1

Answer:

Step-by-step explanation:

The TSA of a cube=6l^2

Where l is the side of the cube

Now,

6l^2=6

6 will be cancelled

l^2=1

Therefore,

l=√1

l=1

Now two cubes are joined together

Therefore,

The resulting cuboid has sides

Length= 2cm

Breadth= 1cm

Height= 1cm

Therefore,

TSA of cuboid= 2(lb+bh+hl)

=2(2*1+1*1+1*2)

=2(2+1+2)

=2(5)

=10

Therefore, TSA = 10cm^2

Hope I m right

Answer 2

Answer:

6 cmsq=2+1+1+1=5

2(5)=10cmsq

Step-by-step explanation:

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