Question

PQ and RS are two lines that intersect at point T.



Which statement is used to prove that angle PTR is always equal to angle STQ?

Answer 1

https://www.connexus.com/content/media/456845-1132011-121350-PM-1375172510.png

Answer 2

Lines PQ and RS do not have a fixed length.
Angle PTR and angle PTS are supplementary angles.
Angle PTR and angle PTS are complementary angles.
Lines PQ and RS intersect at an angle less than a right angle.

Answer 3

http://www.mathsisfun.com/geometry/vertically-opposite-angles.html

Answer 4

hope this helps.