Aword is 12cm long,9cm broad And 8cm of hight its total surface area
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Answer:
length =12
Breadth=9
height=8 cm
2(l×b) + (b×h) + (h×l)
total surface area 2(12×9) + (9×8) + (8×12) cm²
=2(108+72+96)cm²
2(276)cm² =552 cm²
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