Answer :
We have from the picture that
[tex]m\measuredangle PTS,m\measuredangle QTR[/tex]These angles are vertical angles and, by definition, they are congruent. Then
[tex]m\measuredangle PTS\cong m\measuredangle QTR=43[/tex]We have from the picture that
[tex]m\measuredangle PTS,m\measuredangle QTR[/tex]These angles are vertical angles and, by definition, they are congruent. Then
[tex]m\measuredangle PTS\cong m\measuredangle QTR=43[/tex]