Question

The vertices of a triangle are a(10,4), b(-4,9) and c(-2,-1). Find the coordinates of its orthocentre

Answer 1

Answer:

let orthocentre be (x,y)

now

x=10-4-2/3 , y=4+9-1/3

 =4/3              =12/3=4

Answer 2

Answer:

use formula centeroid G ( (x1+x2+x3/3) , y1+y2+y3/3))

G(10-4-2/3) , (9+4-1/3)

G(4/3 , 4)

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