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The sides of the trapezium are \(AB \ =\) 12 \(m\), \(BC \ =\) 20 \(m\), \(CD \ =\) 34 \(m\) and \(AD \ =\) 18 \(m\). Find the area of the trapezium. (Use \(\sqrt{2} = 1.41\))
 
ABCD_trapezium.png
 
Area of the trapezium \(=\)  \(m^2\) 
 
[Note: Round off your answer to two decimal places]