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Last updated at Nov. 15, 2018 by Teachoo

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Ex 10.1, 16 (a) What is the perimeter of each of the following figures? What do you infer from the answers? Side of square = a = 25 cm Perimeter of square ABCD = 4a = 4 × 25 = 100 cm Ex 10.1, 16 (b) What is the perimeter of each of the following figures? What do you infer from the answers? Here, l = 40 cm b = 10 cm Perimeter of rectangle ∆ABC = 2 × (l + b) = 2 × (40 + 10) = 2 × (50) = 100 cm Ex 10.1, 16 (c) What is the perimeter of each of the following figures? What do you infer from the answers?Here, l = 30 cm b = 20 cm Perimeter of rectangle ∆ABC = 2 × (l + b) = 2 × (30 + 20) = 2 × (50) = 100 cm Ex 10.1, 16 (d) What is the perimeter of each of the following figures? What do you infer from the answers?Perimeter of ∆ABC = Sum of all sides = AB + BC + CA = 30 + 40 + 30 = 100 cm Here, we infer that all given figures have exactly same perimeter = 100 cm

Chapter 10 Class 6 Mensuration

Concept wise

- Perimeter
- Perimeter of Rectangle
- Perimeter of Square
- Perimeter of Triangle
- Perimeter of Pentagon and Hexagon
- Area - Definition
- Finding area by counting squares
- Area of Square
- Area of Rectangle
- Area by splitting into rectangles
- Finding Area by Changing units
- Area questions with both rectangles and squares

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.