CBSE Guess > Papers > Question Papers > Class X > 2009 > Mathematics > Mathematics Q. 21. Point P, Q, R and S in that order are dividing a line segment joining A(2, 6) and B(7, – 4) in five equal parts. Find the coordinates of P and R. AP : PB = 1 : 4 P = R Q. 22. A (– 4, – 2), B(– 3, – 5), C(3, – 2) and D(2, k) are the vertices of a quadrilateral ABCD. Find the value of k, if the area of the quadrilateral is 28 sq. units. Sol. ar( = = = = ar ( ar (
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