In the diagram below, RT:TS=1:2 and SR=PQ=20. Find UV.
By similar trianlges, UV = 10.
that's incorrect, sorry
1/ Chose the length of QR
2/ Find angles UPQ and UQP
3/ Calculate side QU of a triangle PQU
4/ Find angle VQU
5/ UV = sin(VQU) * QU = 12
