Trapezium

 

Trapezium

One pair of opposite sides is parallel.

In quadrilateral ABCD, side AB is parallel to side CD. Therefore it is a trapezium.

Area of trapezium = ½ (sum of parallel sides) x (distance between parallel side)

Area of trapezium = ½ (AB+DC) x (DH)

        Area of trapezium = ½ (AB+DC) x (FG)

In this diagram DH and FG both are distance between parallel line AB and DC

perimeter of trapezium = sum of all sides 

perimeter of trapezium = AB+BC+CD+DA

Isosceles trapezium  

A trapezium in which non-parallel sides are equal is called isosceles trapezium i.e. if AD=BC then ABCD is trapezium



isosceles trapezium


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