Question

answer it plzzzz no rubbish​

Answer 1

Answer:

Surface are of resulting cuboid = 10a²

Ans:- 10*(12)² = 10*144 = 1440 cm²

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Answer 2

Answer:

l = 24 cm

b = 12 cm

h = 12 cm

$total \: surface \: area = 2(lb + bh + hl)$

= 2 ( 24 × 12 +12×12 + 12×24 )

= 2 ( 288 + 144 +288 )

= 2 ( 720 )

= 1440