Perimeter is the total length of the boundary of a closed shape. It is found by adding the lengths of all sides. Different shapes have different formulas for perimeter. For a rectangle it is twice the sum of length and breadth. For a square it is four times the side length.
Class 6 Maths includes Prime Time in Chapter 5 for CBSE Exam 2024-25. This chapter explains prime numbers and composite numbers. It covers divisibility rules and factors. Students learn about common factors and multiples. Understanding prime factorization helps in solving problems. The chapter also introduces the concept of the greatest common divisor and the least common multiple.
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