18.
(02.07 LC)
Which relationship is always correct for the angles p, q, and r of triangle ABC? (1 point)


p + r = q

p + q + r = 180 degrees

p + q + r = 90 degrees

q + r = p
1 answer
The correct relationship for the angles p, q, and r of triangle ABC is: p + q + r = 180 degrees.