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The answer letters always rearrange so here are the answers point H is the midpoint of FG line t intersects FG at a right angle Line T is perpendicular to FG
Co-ordinates means the x and y values that define a point in the two-dimensional plane (x, y) We can extend this idea to any number of dimensions requiring a similar number of axis-positions to define a single point So in three dimensions we need (x, y, z), in four dimensions we might find them defined as (x, y, z, t) and so on....
The vertex of a triangle is the point where two or more sides of the triangle intersect. In the case of triangle TIF, the vertex would be the point where the sides TI and IF intersect. To determine the exact coordinates of the vertex, you would need the coordinates of points T, I, and F and then use the equations of the lines containing the sides to find their point of intersection.
If the coordinates of the three vertices are A = (p, s) B = (q, t) and R = (r, u) then centroid, G = [(p+q+r)/3, (s+t+u)/3].
The point slope equation is (y - 9) = 5*(x - 4)