Explanation:
First , Split the given shape into two parts : Trapezium and rectangle :
Here , 18 m and 11 m are the opposite parallel side and (15-8) = 7m is the height of the trapezium.
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Area of trapezium = 101.5 m²
In rectangle , 18 m is the length and 8 m is the width.
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Area of a rectangle = 144 m
Now , Finding total area of given shape :
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