If anyone can help me with this one it would be greatly appreciated. I'm stuck on this one.

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Area of trapezium=(3+7)×10/2=50m², area of flower bed=½4×8=16m². Area of rectangle=15×10=150m².

Lawn area=150-50-16=84m².

(By splitting the trapezium into a rectangle (3×10) and a triangle (height=10, base=4) we get the area to be 30+20=50m². This is the same as taking the average of the base and top and multiplying by the height of the trapezium.)

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