point A(-1,-2) B(7,2) C(k,4) K is a constant. The vertices of ABC. Angle ABC is a right angle.
Ive worked out the gradient of AB to be 1/2. And the negative reciprocals is 2.
How do you calculate the value of k??
thanks for the help
Ive worked out the gradient of AB to be 1/2. And the negative reciprocals is 2.
How do you calculate the value of k??
thanks for the help