Question 1 (a) - Figure it out - Page 132 - Chapter 6 Class 6 - Perimeter and Area (Ganita Prakash)

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Question 1 (a) Find the missing terms: (a) Perimeter of a rectangle = 14 cm; breadth = 2 cm; length = ?.We know that Perimeter of Rectangle = 2(l + b) Putting Perimeter = 14 cm, b = 2 cm 14 = 2(l + 2) 14 = 2l + 2 × 2 14 = 2l + 4 14 – 4 = 2l 10 = 2l 2l = 10 l = 10/2 l = 5 cm ∴ Length of rectangle = 5 cm

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