Class 9 Maths Practice Test: Surface Areas and Volumes - Surface Area of a Cuboid and a Cube — Flashcards | Class 9 Math | FatSkills

Class 9 Maths Practice Test: Surface Areas and Volumes - Surface Area of a Cuboid and a Cube — Flashcards

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The formulas for cube and cuboid shapes are based on their surface areas, lateral surface areas and volume.

Cube Cuboid
Total Surface Area = 6(side)2 Total Surface area = 2 (length × breadth + breadth × height + length × height)
Lateral Surface Area = 4 (Side)2 Lateral Surface area = 2 height(length + breadth)
Volume of cube = (Side)3 Volume of the cuboid = (length × breadth × height)
Diagonal of a cube = √3(side) Diagonal of the cuboid =√( length2 + breadth2 +height2)
Perimeter of cube = 12 × side Perimeter of cuboid = 4 (length + breadth + height)

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A box of dimensions 25cm * 30cm * 45cm is to be painted. A container which contains colour has a capacity to paint 1075cm2. How much containers are required to paint the box completely?
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