DIGITAL ALBUM AREA OF QUADRILATERALS Prepared by

Anjana G Mathematical Science NSS TRAINING COLLEGE PANDALAM

QUADRILATERALS • A QUADRILATERAL IS A POLYGON HAVING FOUR SIDES, FOUR ANGLES, AND FOUR VERTICES

CLASSIFICATION • RECTANGLE • SQUARE • PARALLELOGRAM

• Rhombus • Trapezium • ISOSCELES TRAPEZIUM

1. RECTANGLE

y

•

• • • •

x The area of a Rectangle with Length ‘X’ and breadth ‘Y’ Is given by Area = X Y

2. SQUARE a

a

a

a Area of a square with one side ‘a ‘ is given by Area = (side)² = a²

3.PARALLELOGRAM

b

h

b The area of a parallelogram is the Product of the one side with the distance to the opposite side Area = bh

4.RHOMBUS d2

d1 The area of a Rhombus is half the product of the diagonals Area =

½ (d1 d2 )

5.TRAPEZIUM The area of a trapezium is half the product of the parallel sides and the distance between them b Area = ½ d ( a+b)

d

a

6.ISOSCELES TRAPEZIUM

b Area = ½ (a+b) d

d

a

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REFERENCES

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