surface area of cube and cuboid

31 Oct

Class 9 | Chapter 13 | Surface areas and Volumes | Example 2

Class 9 - Surface areas and Volumes, Math - Class 9 | NCERTClass 9 math tutorials, cube, cuboid, math, mathemafia, mathematics, NCERT, surface area, surface area of cube and cuboid

Example 2: Hameed has built a cubical water tank with lid for his house, with each outer edge 1.5 m long. He gets the outer surface of the tank excluding the base, covered with square tiles of side 25 cm…

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31 Oct

Class 9 | Chapter 13 | Surface areas and Volumes | Example 1

Class 9 - Surface areas and Volumes, Math - Class 9 | NCERTClass 9 math tutorials, cube, cuboid, math, mathemafia, mathematics, NCERT, surface area, surface area of cube and cuboid

Example 1: Mary wants to decorate her Christmas tree. She wants to place the tree on a wooden box covered with coloured paper with picture of Santa Claus on it (see Fig. 13.4). She must know the exact quantity of…

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