Question

3-BE

N/14N1
North
16 km
NOT TO
SCALE
9 km
The diagram shows the route of a ship that leaves a port, P.
It travels due west for 16 km and then changes course to due south for 9km.
(a) Calculate the straight line distance PQ.
li

Answer 1

• 
  `\sf \vec{w}=16km`
• 
  `\sf \vec{s}=9km`

Total distance

`\\ \sf\longmapsto PQ=16km-9km`

`\\ \sf\longmapsto PQ=7km`