Question

Find the orthocentre of the triangle with the vertices $(-2,-1)(6,-1)$ and $(2,5)$

Answer 1

Orthocentre of triangle with vertices $(-2,-1)A,(6,-1)B$ and $(-2,5)C$

$\Delta$ABC is a right triangle at 'A',

So, orthocentre is at A

$O=A=(-2,-1)$.