Identify the sides and find perimeter of a quadrilateral

__Identify
the sides and find perimeter of a quadrilateral__

__Perimeter__

The perimeter is the sum of all
sides of a closed figure.

**EXAMPLES**

Finding the sides and perimeter
of the following figures.

Sides = AB, BC, CD, DA

Perimeter = AB + BC + CD + DA

= 3 + 6 + 8 + 2 = 19

Perimeter= 19cm

In a given square all the sides
are equal.

Therefore, Perimeter of a square
= PQ + QS + SR + RP

= 8 + 8 + 8 + 8 = 32

Perimeter of a square = 32cm

In a given rectangle opposite sides
are equal.

Perimeter = LM + MN + NO + OP

= 9 + 3 + 9 + 3 = 24

Perimeter = 24cm

Perimeter = XY + YZ + ZX

= 7 + 7 + 7 = 21

Perimeter = 21cm

**Activity:** Find the Perimeter of Table, Desk, Black board
and Door in your class room.

Tags : Geometry | Term 1 Chapter 1 | 4th Maths , 4th Maths : Term 1 Unit 1 : Geometry

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4th Maths : Term 1 Unit 1 : Geometry : Identify the sides and find perimeter of a quadrilateral | Geometry | Term 1 Chapter 1 | 4th Maths

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