Question

the the dimension of a cuboid is 12 centimetre into 9 cm into 9 cm into its total surface area is।
please give right answer don't you silly answer
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Answer 1

Answer:

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Answer 2

ᴅɪᴍᴇɴsɪᴏɴs ᴏғ ᴀ ᴄᴜʙᴏɪᴅ ɪs ➪ 12 × 9 × 5

ᴛᴏᴛᴀʟ sᴜʀғᴀᴄᴇ ᴀʀᴇᴀ = 2(ʟʙ + ʙʜ + ʜʟ)

➪ 2( 12 × 9 + 9 × 5 + 5 × 12 )

➪ 2( 108 + 45 + 60 )

➪ 2 × 213

➪ 426 ᴄᴍ^2

ᴠᴏʟᴜᴍᴇ = ʟ × ʙ × ʜ

➪ 12 × 9 ×5

➪ 540 ᴄᴍ^3

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