The dimension of a cuboid are 7cm, 11cm & 13cm, The total surface area is
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• ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ :
= 2 (7 × 11 +11 × 13 +7 × 13)
= 2 ×311
= 622 ᴄᴍ²
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