Find the area of quadrilateral ABCD whose vertices are A(-3, -1), | Filo
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Coordinate Geometry

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Find the area of quadrilateral ABCD whose vertices are and .

Solution:
Given: ABCD is a quadrilateral whose vertices are and .
By joining AC, we get two triangles ABC and ADC
We know that:
Area of
Area of triangle ABC:
sq. units
Area of triangle ADC.
sq. units.
Now, Area of quadrilateral PQRSArea of triangle ABC Area of triangle ADC
sq. units.
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