Class 8MathematicsMensuration

Surface Area of Cube and Cuboid

Cuboid has 6 faces: 2 pairs of (l×b), 2 pairs of (b×h), 2 pairs of (l×h). TSA = 2(lb+bh+lh). Cube: all sides = a. TSA = 6a². LSA (lateral) = 4 faces only. Cuboid LSA = 2h(l+b). Cube LSA = 4a².

How to study this topic

Read the core explanation once without solving.
Open the formula links below and connect them with the topic meaning.
Practice the 10 example pages one by one.
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10 example pages

Concept check 1

For Class 8 Mathematics, explain or solve a surface area of cube and cuboid question from the chapter "Mensuration". Focus on concept check and show the working clearly.

Definition to application 2

For Class 8 Mathematics, explain or solve a surface area of cube and cuboid question from the chapter "Mensuration". Focus on definition to application and show the working clearly.

Formula warm-up 3

For Class 8 Mathematics, explain or solve a surface area of cube and cuboid question from the chapter "Mensuration". Focus on formula warm-up and show the working clearly.

Reasoning practice 4

For Class 8 Mathematics, explain or solve a surface area of cube and cuboid question from the chapter "Mensuration". Focus on reasoning practice and show the working clearly.

Board-style short answer 5

For Class 8 Mathematics, explain or solve a surface area of cube and cuboid question from the chapter "Mensuration". Focus on board-style short answer and show the working clearly.

Mistake correction 6

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Visual interpretation 7

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Applied word problem 8

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Revision challenge 9

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Exam recap 10

For Class 8 Mathematics, explain or solve a surface area of cube and cuboid question from the chapter "Mensuration". Focus on exam recap and show the working clearly.