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A(3x(1), 3y(1)), B(3x(2), 3y(2)), C(3x(3...

`A(3x_(1), 3y_(1)), B(3x_(2), 3y_(2)), C(3x_(3), 3y_(3))` are vertices of a triangle with orthocentre H at `(x_(1)+ x_(2)+ x_(3), y_(1)+y_(2)+y_(3))`, then the `angleABC=`

A

`(pi)/(2)`

B

`(pi)/(3)`

C

`(pi)/(6)`

D

`(pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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