Mathematics
A(1, 4), B(3, 2) and C(7, 5) are vertices of a triangle ABC. Find :
(i) the co-ordinates of the centroid of triangle ABC.
(ii) the equation of a line, through the centroid and parallel to AB.
Related Questions
The line through P(5, 3) intersects y-axis at Q.
(i) Write the slope of the line.
(ii) Write the equation of the line.
(iii) Find the co-ordinates of Q.
A(7, -1), B(4, 1) and C(-3, 4) are the vertices of a triangle ABC. Find the equation of a line through the vertex B and the point P in AC; such that AP : CP = 2 : 3.
The equation of a line with x-intercept 5 and y-intercept also 5 is :
2x - y = 5
x + y = 5
x - y = 5
x + 2y = 5