User:McDutchy

[asy] pair P=(210,120); label("P",(210,120),NW); dot(P); pari Q=(300,0); label("Q",(300,0),S); dot(Q); pair R=(150,0); label("R",R,S); dot(R); pair S=(100,0); label("S",S,S); dot(S); pair T=(0,0); label("T",T,S); dot(T); pair U=(170,40); label("U",U,NNW); dot(U); draw(T--S--R--Q--P--R); draw(S--U); [/asy]

[asy] dot((210,120)); dot(300,0); [/asy]