Skip to main content
Super TutorResources
Chapter 20 of 25
Revision Notes

Recognition of Solids — Revision Notes

ICSE · Class 7 · Mathematics

Recognition of Solids revision notes for ICSE Class 7 Mathematics: 4 topics in quick points. Part of the ICSE Class 7 Mathematics syllabus.

54 questions26 flashcards8 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Recognition of Solids? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

Try Super Tutor — Free

Free trial, no card needed.

Key Topics to Revise

1

1. Identifying 2D and 3D Figures

  • A straight line has only one dimension: length.
  • A rectangle has two dimensions: length and breadth.
  • All rectilinear figures such as square, parallelogram, and trapezium are two-dimensional figures.
2

2. Cube, Cuboid, Cylinder, and Cone

  • A cube is a symmetrical three-dimensional shape, solid or hollow, contained by six equal squares.
  • A cube is a cuboid with all sides equal, i.e. length = breadth = height.
  • Each face of a cube is a square and all six faces are congruent.
3

3. Faces, Edges, and Vertices

  • A cuboid has six rectangular faces, twelve edges, and eight vertices.
  • A cube has six faces, twelve edges, and eight corners, same as a cuboid.
  • Cube has V=8, E=12, F=6.
4

4. Euler's Formula

  • Euler's formula is V + F - E = 2 for a polyhedron.
  • V means number of vertices.
  • E means number of edges.

Get complete notes with diagrams and examples

Full Notes

Key Concepts

A solid is an objectA straight line has only lengthA cube is a symmetrical threeA cuboid is a solidA cylinder is a non

Frequently Asked Questions

What are the important topics in Recognition of Solids for ICSE Class 7 Mathematics?
Key topics in Recognition of Solids include Identifying 2D and 3D Figures, Cube, Cuboid, Cylinder, and Cone, Faces, Edges, and Vertices, Euler's Formula. Study these first, then practise questions on each for Class 7 exams.
How should I revise Recognition of Solids for Class 7 exams?
Learn the core ideas first, then work through the 54 practice questions on Recognition of Solids. Revise 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.

More resources for Recognition of Solids

All ICSE Class 7 Mathematics Revision Notes

For serious students

Get the full Recognition of Solids chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for ICSE Class 7 Mathematics. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free