Class 6 Mathematics — Chapter 6: PERIMETER AND AREA
Free AI tutor + NCERT notes for Chapter 6: PERIMETER AND AREA. 9 topics covered. Ask any question by voice or text in Hindi or English.
What you'll learn
- ▸Concept of Perimeter
- ▸Perimeter of a Rectangle
- ▸Perimeter of a Square
- ▸Perimeter of a Triangle
- ▸Solving Perimeter Word Problems
- ▸Perimeter of Regular Polygons
- ▸Finding Missing Dimensions from Perimeter
- ▸Comparing Perimeters and Reconfigured Shapes
- ▸Concept of Area
Chapter Summary
--- PAGE 1 --- 6 PERIMETER AND AREA 0674CH06 6.1 Perimeter Do you remember what the perimeter of a closed plane figure is? Let us refresh our understanding! The perimeter of any closed plane figure is the distance covered along its boundary when you go around it once. For a polygon, i.e., a closed plane figure made up of line segments, the perimeter is simply the sum of the lengths of its all sides, i.e., the total distance along its outer boundary. The perimeter of a polygon = the sum of the lengths of its all sides. Let us revise the formulas for the perimeter of rectangles, squares, and triangles. Perimeter of a rectangle Consider a rectangle ABCD whose length and breadth are 12 cm and 8 cm, respectively. What is its perimeter? Perimeter of the rectangle = Sum of the lengths of its four sides = AB + BC + CD + DA A 12 cm B -------------------- | | | …
Practice Questions from this Chapter
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- Calculate the perimeter of my room? Get Solution →
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- 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?
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