GEOMETRY Triangle ABC has vertices A(0, 4), B(1,2), and C(4, 6). Determine whether
triangle ABC is a right triangle. Explain.
a. Yes, sides AB and AC are perpendicular
because their slopes are 2 and -2, which
I
2
2
are negative reciprocals.
b. Yes, sides AB and BC are perpendicular
because their slopes are -2 and which
are negative reciprocals.
c. Yes, sides AB and AC are perpendicular
1
because their slopes are -2 and which
are negative reciprocals.
d. No, none of the lines are perpendicular.