Question

find the total surface area of the cuboid of length,breadth,height as given below.

5cm,3.5cm,1.4cm

Answer 1

Total surface area =2 (lb+bh+hl)
=2 (5×3.5+3.5×1.4+1.4×5)
=2 (17.5+4.9+7)=2*29.4=58.8cm^2.

Answer 2

Answer:

length =5 cm   breadth =3.5 cm   height =1.4 cm

TSA=2(lb+bh+lh)=2[5×3.5+3.5×14+1.4×5]

TSA=2[17.5+4.90+7.0]=2[29.4]

[TSA=58.8cm2]

Step-by-step explanation:

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