Question

Find the total surface area of cuboids of length, breadth and height as given
below:
(1) 12 cm, 10 cm, 5 cm​

Answer 1

Answer:

(1) length =12 cm breadth =10 cm height =5 cm

TSA=2(lb+bh+lh)=2[12×10+10×5+5×12]

TSA=2[120+50+60]=2×230

TSA=460cm²

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Answer 2

Answer:-

TSA of cuboid = 2 [ lb + bh + hl ]

= 2 [ (12*10) + (10*5) + (5*12) ]

= 2 ( 120 + 50 + 60 )

= 2 * 230

= 460 cm²