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Perimeter and Area - NCERT Class 7 Maths

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The chapter 11 begins with an introduction to Perimeter and Area by recollecting the concepts and formulae related to squares and rectangles.Then, the concept of viewing triangles as parts of rectangles is presented and a formula is deduced for the same.This concept is generalised for other congruent parts of the rectangle. After this, the area of a parallelogram and triangle is discussed in detail.The next topic of discussion is circles and it is studied in detail.Related topics such as the circumference of a circle and area of the circle are discussed in the following sections.The conversion of units from one system to another is the next topic and application of area and perimeter formulae for various real-life scenarios is the last topic of discussion.

Exercise 11.1

Exercise 11.2

Exercise 11.3

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Perimeter and Area | NCERT Solutions