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- Area of trapezium, concept of volume, cuboids, cylinder. Concept of surface area.​

Answer»

Answer:

  • area of trapezium - 1/2 . ( sum of PARALLELL sides ) . heigh
  • surface area of CUBOID - 2 ( lb plus bh plus hl )
  • surface area,of cube - 6 a *2
  • volume of cuboid - l . b . H
  • volume of cylinder - a* 3



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