Find the orthocentre of the triangle whose vertices are `(-5,-7),(13,2),(-5,6)`

Find the orthocentre of the triangle whose vertices are (5,-2),(-1,2),(1,4) .

Find the orthocentre of the triagle whose vertices are (-2,-1)(6,-1),(2,5) .

Find the area of the triangle whose vertices are (2,-7),(1,3),(10,8)

The midpoint of the line segment joining the centroid and the orthocentre of the triangle whose vertices are (a,b), (a,c) and (d,c) is

Find the area of the triangle whose vertices are (3,4),(7,8),(-1,2)