Answer :
2)
[tex]QR\mleft\Vert SP\mright?[/tex]justification
[tex]RPQ\cong SPQ[/tex]3)
[tex]QS\mleft\Vert RP\mright?[/tex]justification
[tex]RPQ\cong SPQ[/tex]4)Justification
[tex]QR\Vert SP\text{ \& }QS\Vert RP[/tex]the reason that QSPR is a parallelogram is because the sides in front of each other are parallel