Step-by-step explanation:
Find the area of the quadrilateral PQRS whose vertices in order are P(−5,−3),Q(−4,−6),R(2,−1) and S(1,2).
Area of a quadrilateralPQRS=Area of △PQS+Area of △QSR
We have Area of triangle=21∣x1x2x3y1y2y3111
Let P(−5,−3),Q(−4,−6),R(2,−1) and S(1,2).
Area of △PQS=21−5−41−3−6
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Answers & Comments
Step-by-step explanation:
Find the area of the quadrilateral PQRS whose vertices in order are P(−5,−3),Q(−4,−6),R(2,−1) and S(1,2).
Area of a quadrilateralPQRS=Area of △PQS+Area of △QSR
We have Area of triangle=21∣x1x2x3y1y2y3111
Let P(−5,−3),Q(−4,−6),R(2,−1) and S(1,2).
Area of △PQS=21−5−41−3−6
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