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प्रश्न
Find the area of quadrilateral BCEG
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उत्तर
Area of the Quadrilateral BCEG = `1/2 [(x_1y_2 + x_2y_3 + x_3y_4 + x_4y_1) - (x_2y_1 + x_3y_2 + x_4y_3 + x_1y_4)]`
= `1/2[(4 + 2 + 0.75 + 9) - (-4 - 1.5 - 4.5 - 2)]`
= `1/2[15.75 + 12]`
= `1/2 [27.75]`
= 13.875
= 13.88 sq. units
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