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Perimeter and Area — Chapter Summary

CBSE · Class 6 · Mathematics

Summary of Perimeter and Area for CBSE Class 6 Mathematics. Part of the CBSE Class 6 Mathematics syllabus. Perimeter is the distance covered along.

42 questions54 flashcards10 formulas & key relations5 concepts

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Overview

Perimeter is the distance covered along the boundary of a closed figure when it is gone around once. For a polygon, the perimeter is the sum of the lengths of all its sides. Area is the amount of region enclosed by a closed figure, and it is generally measured in square units. Perimeter tells how lo

Key Concepts

The perimeter of any closed plane

The perimeter of any closed plane figure is the distance covered along its boundary when it is gone around once. For a polygon, it is the sum of the l

Perimeter of a rectangle = 2

Perimeter of a rectangle = 2 × (length + breadth). For rectangle ABCD with length 12 cm and breadth 8 cm, the perimeter is 2 × (12 cm + 8 cm) = 40 cm.

Perimeter of a square = 4

Perimeter of a square = 4 × length of a side. For a square photo frame of side 1 m, the perimeter is 4 × 1 m = 4 m.

Perimeter of a triangle = sum

Perimeter of a triangle = sum of the lengths of its three sides. For sides 4 cm, 5 cm, and 7 cm, the perimeter is 16 cm.

Perimeter of an equilateral triangle =

Perimeter of an equilateral triangle = 3 × length of a side. This works because all three sides are equal.

Learning Objectives

  • Understand the meaning of perimeter and area
  • Find the perimeter of rectangles, squares, triangles, and regular polygons
  • Use formulas for perimeter in different shapes
  • Understand the meaning of area and measure it in square units
  • Find the area of rectangles and squares using formulas

Frequently Asked Questions

What are the important topics in Perimeter and Area for CBSE Class 6 Mathematics?
Key topics in Perimeter and Area include Perimeter: Basic Idea and Formulas, Worked Perimeter Examples, Regular Polygons and Special Perimeter Ideas, Area: Basic Idea and Formulas. Study these first, then practise questions on each for Class 6 exams.
How should I revise Perimeter and Area for Class 6 exams?
Learn the core ideas first, then work through the 42 practice questions on Perimeter and 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 Perimeter and Area

All CBSE Class 6 Mathematics Chapter Summary

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