Q133 · Practice questionTechnology-freeSimple familiar3 marks
QUESTION 133 (3 marks)
A boat travels km from to on a bearing of , then km from to on a bearing of . Determine the straight-line distance .
WORKED SOLUTION
3 marksPractice marking scheme
ANSWER
km.
Worked solution
The reverse bearing from to is . The angle between bearings and is . Hence .
Determines the included angle at .
Applies the cosine rule or Pythagoras correctly.
Obtains the distance with units.
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabusHow many marks did you earn?
Compare your working with the guide above.