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Three cubes with edges 6 cm each are joi...

Three cubes with edges 6 cm each are joined end to end to form a cuboid. The total surface area of the cuboid is:
6 सेमी भुजा वाले तीन घनों को एक-एक करके जोड़ा जाता है और घनाभ बनाया जाता है | इस घनाभ का कुल पृष्ठ क्षेत्रफल ज्ञात करें |

A

`432 cm^2`

B

`504 cm^2`

C

`648 cm^2`

D

`720 cm^2`

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