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Consider the triangle OAB where O=(0,0),B=(3,4).If orthocentre of the triangle is H(1,4),the coordinate of A is?

Nayan , 5 Years ago
Grade 12th pass
anser 1 Answers
Saurabh Koranglekar

Last Activity: 5 Years ago

Dear student

Product of slopes of perpendicular lines =-1

Let A be (x,y)
Slope AH *slope OB = -1

3x+4y= 19

Slope AB*slope OH = -1

x+4y= 19

Solving 2 eqn

x=0
y = 19/4

Regards

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