two cubes each of volume 729cm sq.are joined end to end .find the. surface area of the resulting cuboid
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Answer:
405 sq cm
Step-by-step explanation:
initially side length was 9 cm each
now length = 18cm
breadth = 9 cm
height = 9 cm
surface area = 2(lb+bh+hl)
=on calculating we will get 405 sq cm.
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