15 In the diagram, P and Q are successive
positions of an aeroplane flying
horizontally, PS and QR are vertical and S
R and K are points on the horizontal ground.
KSR=41°, KRS = 17° and
=
QKR 21° and PS = 600m. If the
aeroplane flies from P to Q in 2 min.
calculate, correct to three significant figure:
(a) the distance /PQ/
(b) the speed of the aeroplane in km h
P
Q (WAEC)

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