Mensuration Class 6 Notes Maths Chapter 10

Students can go through AP 6th Class Maths Notes Chapter 10 Mensuration to understand and remember the concepts easily.

Class 6 Maths Chapter 10 Notes Mensuration

→ Perimeter is the distance covered along the boundary forming a closed figure when you go around the figure once.

  1. Perimeter of a rectangle = 2 × (length + breadth)
  2. Perimeter of a square = 4 × length of its side
  3. Perimeter of an equilateral triangle = 3 × length of any side

  1. Figures in which all sides and angles are equal are called regular closed figures,
  2. The perimeter of a regular figure is equal to the number of sides multiplied by the length of each side.

→ The amount of surface enclosed by a closed figure is called its area.

Mensuration Class 6 Notes Maths Chapter 10

→ To calculate the area of a figure using a squared paper, the following conventions are adopted.

  1. Ignore portions of the area that are less than half a square.
  2. If more than half a square is in the region, count it as one square.
  3. If exactly half the square is covered, take its area as 1/2 sq. units.

  1. Area of a rectangle = length × breadth
  2. Area of a square = side × side
  3. The area of a square is more than the area of any other rectangle having the same perimeter.

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