Let’s draw a line parallel to the one representing the height of the trapezium.
Now let’s find the length of that line to find the height of the trapezium.
Height of the trapezium
=sin 45 x 2
=1.41 cm
Area of the trapezium
=1/2 x sum of the parallel sides x h
=1/2 x (2.5+1.1) x 1.41
=2.55 m^2