Question

Please answer this question step by step, please do not spam, urgent I will mark you brainliest ​

Answer 1

Answer:

8cm^2

Step-by-step explanation:

total surface of cube = 6 × side^2

= 6 = 6× side^2

= side ^2 = 6/6 = 1

= side = √1 = 1

so side of each identical cube is 1 cm

then when the two cubes are joined then the resulting cuboid has the length = 1×2 = 2cm

breadth = 1cm

height = 1cm

TSA of cuboid= 2lb+2bh+2lh

= 2(2×1) + 2(1×1) +2(2×1) = 2(2)+2(1)+2(1) = 4+2+2 = 8cm^2

so correct option is 4th 8cm^2

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