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Question

Find the LSA of a rectangular prism whose length is 20cm, height is 24cm and width I 16cm:

  1. 8838 sq cm
  2. 3212 sq cm
  3. 1728 sq cm
  4. 3411 sq cm

The correct answer is: 1728 sq cm


    LSA of rectangular prism = 2 (l + w )*h
    = 2( 20 + 16 ) *24
    =2 (36 ) * 24
    = 1728 sq cm

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