Class 6 Mathematics — Chapter 6: PERIMETER AND AREA
Chapter 6: PERIMETER AND AREA is a chapter in Class 6 Mathematics (Ganita Prakash), part of the CBSE NCERT curriculum followed by over 25 million students across India. This chapter covers 9 topics including Concept of Perimeter, Perimeter of a Rectangle, Perimeter of a Square. BrainWeave provides free AI-powered explanations — by voice or text, in Hindi or English — with no signup required.
What you'll learn
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▸Concept of PerimeterCore conceptperimeterboundaryclosed figurepolygonsum of sides
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▸Perimeter of a RectangleCore conceptrectanglelengthbreadthformulaperimeter
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▸Perimeter of a SquareCore conceptsquaresideequal sidesformulaperimeter
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▸Perimeter of a TriangleCore concepttrianglethree sidessum of lengthsperimeter
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▸Solving Perimeter Word Problemsword problemapplicationfencingdistancerounds
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▸Perimeter of Regular Polygonsregular polygonequilateral trianglehexagonequal sidesformula
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▸Finding Missing Dimensions from Perimetermissing lengthunknown sidefind breadthinverse problem
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▸Comparing Perimeters and Reconfigured Shapescompare distancerejoin shapessplit shapescomposite figure
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▸Concept of AreaCore conceptarearegionenclosedsurfacesquare units
Chapter Summary
Understanding that perimeter is the total distance around the boundary of a closed plane figure. For polygons, it is the sum of the lengths of all its sides.
Applying the formula for the perimeter of a rectangle, which is 2 multiplied by the sum of its length and breadth: P = 2 × (length + breadth).
Applying the formula for the perimeter of a square, which is 4 multiplied by the length of one side: P = 4 × side.
Calculating the perimeter of any triangle by summing the lengths of its three sides.
Applying perimeter formulas to solve real-world problems, such as calculating the length of fencing required for a park, the distance covered in multiple rounds of a track, or the cost of materials based on length.
Understanding that a regular polygon has all sides and all angles equal, and its perimeter is found by multiplying the number of sides by the length of one side. This includes the specific case of an equilateral triangle (P = 3 × side).
Using a given perimeter and the length of some sides to calculate the length of an unknown side for shapes like rectangles and triangles.
Solving advanced problems that involve comparing distances traveled on different tracks or determining the new perimeter of a shape after it has been cut and rearranged.
Understanding that area is the measure of the region or surface enclosed by a closed figure and distinguishing it from the concept of perimeter.
Practice Questions from this Chapter
Tap "Get Solution" on any question to ask our AI tutor.
- Calculate the perimeter of my room? Get Solution →
- Visualize shapes with equal perimeters? Get Solution →
- Explore how perimeter affects fencing costs? Get Solution →
- What is the definition of the perimeter of a closed plane figure? Get Solution →
- What is the formula for the perimeter of a rectangle? Get Solution →
- What is the formula for the perimeter of a square? Get Solution →
- How is the perimeter of a polygon calculated? Get Solution →
- What is a regular polygon? Get Solution →
Did you know?
- 💡 The Earth's equator is a perimeter over 40,000 kilometers long.
- 💡 Ancient Egyptians used perimeter to redesign fields after the Nile River flooded.
- 💡 A snail's path around a leaf is a tiny perimeter it measures with its senses.
- 💡 The circumference is the special name for a circle's perimeter.
- 💡 Architects calculate building perimeters to order materials like fences and trim.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 9 key topics: Concept of Perimeter, Perimeter of a Rectangle, Perimeter of a Square, Perimeter of a Triangle, Solving Perimeter Word Problems, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 6: PERIMETER AND AREA important for board exams?
Class 6 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.
Can I get NCERT solutions for this chapter in Hindi?
Yes. BrainWeave's AI tutor supports Hindi, English, and Hinglish for both voice and text chat. Just ask your question in your preferred language.
Is BrainWeave free for Class 6?
Yes. BrainWeave's free Spark plan gives generous daily messages — enough for regular homework. Premium features unlock when you bring your own free Google Gemini API key.
Can I use voice chat for this chapter?
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