The area of the trapezium is 140 square units.
The area of a trapezium is equal to half of the product of the sum of the parallel sides and the perpendicular distance between the parallel sides of the trapezium.
Given, the lengths of the parallel sides of trapezium are 12 units and 8 units respectively.
The perpendicular distance between the parallel sides of the trapezium is 14 units.
Therefore, the area of the trapezium is
[tex]= \frac{1}{2}(8+12)(14)[/tex] square units
[tex]= (20)(7)[/tex] square units
[tex]= 140[/tex] square units
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