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Answer: 306 m²
Step-by-step explanation:
The given figure is a trapezium.
Area of the given trapezium = Area of triangle + Area of rectangle
Area = (1/2) 9 (40 - 28) + 28 ( 9)
= (1/2) 9 (12) + 252
= 54 + 252
= 306 m²
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Area of This figure = area of triangle + ar of rectangle
ar of triangle = 1/2×b×h = 1/2×12×9=54cm^2
ar of rectangle = l×b = 9×28 = 252 cm^2
ar of figure = 54+252 = 306cm^2
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