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Syllabus

Area — Syllabus

CBSE · Class 8 · Mathematics

What Area covers in CBSE Class 8 Mathematics: 4 topics, for the 2026-27 session. Part of the CBSE Class 8 Mathematics syllabus.

73 questions60 flashcards7 formulas & key relations5 concepts

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4 Topics · CBSE Class 8 Mathematics · 2026-27

Topics in Area

1

1. Area of rectangles and squares

  • Area is measured by counting unit squares.
  • Area of a rectangle equals length × width.
  • A 7 cm × 4 cm rectangle contains 28 unit squares.
2

2. Area of triangles

  • The area of a triangle is half the product of its base and height.
  • The formula works for all triangles, including triangles that cannot be enclosed by a rectangle with that base.
  • In identical rectangles, triangles like ΔXDC, ΔYDC, and ΔYBC each have exactly half the area of rectangle ABCD.
3

3. Area of any polygon

  • Any polygon can be divided into triangles.
  • Once a polygon is split into triangles, its area is found by adding the triangle areas.
  • This method works for quadrilaterals, pentagons, and other polygons.
4

4. Area of a parallelogram

  • A parallelogram can be dissected into a rectangle of equal area.
  • The process of cutting a figure into pieces and rearranging them to get a different figure of equal area is called dissection.
  • In the dissection, ΔAXD is moved to the position of ΔBYC.

Key Concepts

Central concept: Area

Rectangle and squarePerimeter and areaTrianglesParallelogramRhombusTrapeziumArea of any polygonŚulba-Sūtras

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Frequently Asked Questions

What are the important topics in Area for CBSE Class 8 Mathematics?
Key topics in Area include Area of rectangles and squares, Area of triangles, Area of any polygon, Area of a parallelogram. Study these first, then practise questions on each for Class 8 exams.
How should I revise Area for Class 8 exams?
Learn the core ideas first, then work through the 73 practice questions on Area. 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 Area

All CBSE Class 8 Mathematics Syllabus

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