Split the figure into 4 triangles
Area 1 triangle = 1/2 x base x height
Area 1 triangle = 1/2 x 7.5 x 6
Area 1 triangle = 22.5 in²
Area of 4 triangles = 22.5 x 4
Area of 4 triangles = 90 in²
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Answer: 90 in²
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