Answer:
SA of cuboid= 2( lb + bh + hl)
= 2 ( 3.5 + 5.3 + 3.3) inch²
= 2(15+15+9)inch²
=2(39)inch²
=78inch²
Answer: 78
Step-by-step explanation: A=2(wl+hl+hw)=2·(5·3+3·3+3·5)=78
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