Question

Is triangle ABC a right triangle?

no, because none of the slopes of the line segments forming the legs are opposite reciprocals
no, because none of the slopes of the line segments forming the legs are equal
yes, because BC is perpendicular to AC
yes, because AB is perpendicular to AC

Answer 1

C yes, because BC is perpendicular to AC

Explanation:

Answer 2

yes because BC is perpendicular to AC

Explanation:

BC slope is 6/2 which is 3

AC slope is -3/9 which reduces to -1/3

3 and -1/3 are opposite reciprocals and therefore the lines are perpendicular