Question

Find the ortho centre of triangle formed by the points(4,1),(7,4),(5,_2)

Answer 1

a : ( 4 , 1 ) B : ( 7 , 4 )
x1. y1. x2. y2
$\sqrt{(} x2 - x1) ^{2} + ( y2 - y1) {}^{2}$

√ ( 7 - 4 )² + ( 4 - 1 )²
√ 3² + 3²
√ 9. + 9
√ 18.