Mathematics
Find the equation of the line through (0, -3) and perpendicular to the line joining the points (-3, 2) and (9, 1).
Related Questions
Find the equation of the line through the point (-1, 3) and parallel to the line joining the points (0, -2) and (4, 5).
A(-1, 3), B(4, 2), C(3, -2) are the vertices of a triangle.
(i) Find the coordinates of the centroid G of the triangle.
(ii) Find the equation of the line through G and parallel to AC.
The vertices of a △ABC are A(3, 8), B(-1, 2) and C(6, -6). Find:
(i) slope of BC.
(ii) equation of a line perpendicular to BC and passing through A.
The vertices of a triangle are A(10, 4), B(4, -9) and C(-2, -1). Find the equation of the altitude through A.
[The perpendicular drawn from a vertex of a triangle to the opposite side is called altitude.]