The the system in the figure is in equilibrium. The value of PR in terms of RQ is equal to
In adjoining figure, PS⊥RQ and QT⊥PR. If RQ=6,PS=6 and PR=12, then Find QT.
In the figure: PQ = 10 cm, QS = 6 cm and RQ = 9 cm. The length of side PR is.