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PRISM

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PRISM

A prism is a solid shape that has two identical polygons at the top and bottom and rectangles of same height on the sides.

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FACES OF PRISM

The top and bottom polygons and the rectangles on the sides are called faces of prism.

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BASES OF A PRISM

The two identical faces on the top and bottom are called bases of a prism.

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LATERAL FACES

The rectangular faces on the sides of a prism are called lateral faces.

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EDGES

All the sides of faces of prism are called edges of prism.

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NAMING A PRISM

A prism is named according to the shape of its base.

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Volume of rectangular prism

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Volume of triangular prism

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Volume of any prism

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Volume of any prism

The volume of any prism is the product of the base area and the height.

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Question

  • Find the capacity of water tank of height 10cm having rectangular base with length 6cm and breadth 5cm?

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HOMEWORK

  • The base of a prism is a rectangle of sides 5cm in length and 3cm in breadth and the height of prism is 10 cm. What is its volume?

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Follow up activity

  • List any 5 objects around you that are prism shaped. Also find the applications of volume of prism.