Mathematics
Three vertices of a parallelogram ABCD taken in order are A(3, 6), B(5, 10) and C(3, 2). Find :
(i) the co-ordinates of the fourth vertex D
(ii) length of diagonal BD
(iii) equation of side AB of the parallelogram ABCD
Related Questions
In what ratio does the line x – 5y + 15 = 0 divide the join of A(2, 1) and B(–3, 6)? Also, find the co-ordinates of their point of intersection.
Find the equations of the medians of ΔABC whose vertices are A(–1, 2), B(2, 1) and C(0, 4). Hence, find the co-ordinates of the centroid of ΔABC.
In the given figure, ABC is a triangle and BC is parallel to the y-axis. AB and AC intersect the y-axis at P and Q respectively. Find :
(i) the co-ordinates of A
(ii) the length of AB and AC
(iii) the ratio in which Q divides AC
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