Find the area of the following trapezium.
 

  

. Find the perimeter and area of trapezium PQRS

 In the trapezium $ABCD, AD \parallel BC, AB = 25 cm, BC=76 cm, CD=39 cm, AD=20 cm$, find its area.
  

In the trapezium $ABCD, AB\parallel CD$. If $AB = 60 cm, BC=26 cm, CD=77 cm, AD = 25 cm,$ find its area.

. In trapezium $PQRS, PQ= 20 cm, PR = 61 cm, SR= 60 cm$ and $PS\perp SR$. Find its area.

Find the area and perimeter of $ABCDEF$, where $AB=EF=5 cm, BC=DE=4 cm, CD = 12 cm$ and $AF = 6 cm$.

In parallelogram $PQRS, PQ = 25 cm, QR = 39 cm$ and diagonal $PR=56 cm$. Find its area.

In the quadrilateral $ABCD, AB = 40 cm, BC= 18 cm, CD=24 cm, AD=50 cm$ and $ZC=90°$. Find the length of $BD$.

In the quadrilateral ABCD, AB = 40 cm, BC= 18 cm, CD 24 cm, AD 50 cm and ZC-90°. Find the area of ABCD.