6th Maths : Term 3 Unit 3 : Perimeter and Area : Summary

**Summary**

* The perimeter of any
closed figure is the total length of its boundary.

* Perimeter of the rectangle,
P = 2 × (*l* + *b*) units.

* Perimeter of the square,
P = (4 × *S*) units.

* Perimeter of the triangle,
P = (a + b + c) units.

* Perimeter of the shape
with equal sides = Number of sides × Length of a side.

* The area is the measure
of the region/surface occupied by a closed figure.

* Area of a rectangle,
A = length × breadth = (*l* × *b*) *sq*. units.

* Area of a square, A = side × side = (s × s) sq.
units.

* Area of the right angled triangle, A = 1/2 (b
× h) sq. units.

* The perimeter of a combined shape is the sum of
the length of all outer sides of the shapes.

* The area of a combined shape is the sum of all
the areas of regular/simpler shapes by which the combined shape is formed.

Tags : Perimeter and Area | Term 3 Chapter 3 | 6th Maths , 6th Maths : Term 3 Unit 3 : Perimeter and Area

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6th Maths : Term 3 Unit 3 : Perimeter and Area : Summary | Perimeter and Area | Term 3 Chapter 3 | 6th Maths

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