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Class 8th of CBSE

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About Course

In the previous chapter, we learned about mensuration in two-dimensional, which means the study of properties like areas and perimeter of plane figures like squares, cuboids, circles, etc. But if we include a third dimension in this plane figure, it becomes three-dimensional. Now it contains height
also. the figure now becomes a solid object like a cube, cuboid, cylinder, etc. The concerned study now
becomes three-dimensional, or in other words, mensuration in three dimensions. In this
chapter, we will learn about the volumes and surface areas of solid objects.

What Will You Learn?

  • Finding volumes of solid objects
  • Finding surface areas of solid objects
  • Finding missing dimensions from volume and surface areas of solids
  • Cost analysis related to solids

Course Content

Grade 9th of CBSE Maths Subject

  • Curved surface area and total Surface areas of cube
    20:36
  • Curved surface area and total surface areas of cuboid
    29:20
  • Total surface area and Curved Surface area of right circular cylinder
    32:14
  • Total Surface area and curved surface area of right circular cone
    56:23
  • Curved surface area and total Surface areas of hemisphere
    32:14
  • Volume of cube
    32:45
  • Volume of cuboid
    32:14
  • Volume of right circular cylinder
    30:51
  • Volume of right circular cone
    26:39
  • Volume of sphere and hemisphere
    56:23
  • Conversion of one solid form to another
    32:14

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