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  • The length,breadth and height of a cuboid are 30 cm,25 cm and 20 cm respectively. Find its 1-Volume 2-Surface Area 3-Lateral Surface Area 4-Length of the diagonal.

The length,breadth and height of a cuboid are 30 cm,25 cm and 20 cm respectively. Find its 1-Volume 2-Surface Area 3-Lateral Surface Area 4-Length of the diagonal.

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  1. Volume of a cuboid=(30 imes25 imes20)cm^3=15000cm^3
  2. Surface area of the cuboid=2(lb+lh+bh)
                                              =2(30 imes25+30 imes20+25 imes20)cm^2
                                              =3700cm^2
  3. Lateral Surface Area=2(l+b) imes h
                                     =2(30+25) imes20cm^2=2200cm^2
  4. Length of the diagonal=sqrtl^2+b^2+h^2=sqrt30^2+25^2+20^2, cm
                                       =sqrt1925, cm=5sqrt77, cm
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Deependra Verma

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