2



In the diagram K, P, T and M are points on the smaller circle.



KP KT and RPT = 90°.



RKT, QKM, QRS and SMT are straight lines.



P



eta_{b}



12 23 3



R



123



K



+



2



1



4



T



2



4



M



S



Show, with reasons, that PRST is a cyclic quadrilateral.

2 In the diagram K, P, T and M are points on the smaller circle. KP KT and RPT = 90 . RKT, QKM, QRS and SMT are straight lines. P eta b 12 23 3 R 123 K + 2 1 4 class=