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Revision Notes

Mensuration

ICSE · Class 10 · Mathematics

Quick revision notes for Mensuration — ICSE Class 10 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

35 questions28 flashcards5 concepts

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A labeled diagram showing a right circular cylinder with its height (h) and radius (r) clearly marked. An adjacent diagram shows the cylinder 'unfolded' into a rectangle (representing the curved surfa
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Key Topics to Revise

1

Cylinder and Hollow Cylinder

  • A right circular cylinder is formed when a rectangle is revolved about one of its sides.
  • The side about which the rectangle revolves is the height of the cylinder.
  • The line generating the curved surface is called the generating line.
2

Cone

  • A right circular cone is generated by revolving a right-angled triangle about one of the sides containing the right angle.
  • The vertex of the cone is the pointed top.
  • The radius of the circular base is denoted by r.
3

Sphere, Hemisphere and Shells

  • A sphere is formed when a circle is revolved about its diameter.
  • A sphere is also a solid bounded by a closed surface, all points on which are at a constant distance from a fixed point.
  • A hemisphere is exactly half of a sphere formed by a plane through the centre.
4

Combination of Solids and Application Problems

  • Combination solids are made from two or more basic solids.
  • A capsule is a combination of a cylinder and two hemispheres.
  • A tent is a combination of a cylinder and a cone.

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Full Notes

Key Concepts

A cylinder is formed whenA hollow cylinder has an externalA cone is formed by revolvingA sphere is formed whenA hemisphere is half of

Frequently Asked Questions

What are the important topics in Mensuration for ICSE Class 10 Mathematics?
Mensuration covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Mensuration — ICSE Class 10 Mathematics?
Understand the core concepts first, then work through the 35 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 22 chapters — ICSE Class 10 Mathematics Revision Notes

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